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Simplifying 8(x + -5)(x + 20) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) Reorder the terms: 8(-5 + x)(x + 20) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) Reorder the terms: 8(-5 + x)(20 + x) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) Multiply (-5 + x) * (20 + x) 8(-5(20 + x) + x(20 + x)) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) 8((20 * -5 + x * -5) + x(20 + x)) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) 8((-100 + -5x) + x(20 + x)) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) 8(-100 + -5x + (20 * x + x * x)) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) 8(-100 + -5x + (20x + x2)) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) Combine like terms: -5x + 20x = 15x 8(-100 + 15x + x2) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) (-100 * 8 + 15x * 8 + x2 * 8) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) (-800 + 120x + 8x2) + 4(x + 12)(x + -4) = 32(x + -6)(x + 30) Reorder the terms: -800 + 120x + 8x2 + 4(12 + x)(x + -4) = 32(x + -6)(x + 30) Reorder the terms: -800 + 120x + 8x2 + 4(12 + x)(-4 + x) = 32(x + -6)(x + 30) Multiply (12 + x) * (-4 + x) -800 + 120x + 8x2 + 4(12(-4 + x) + x(-4 + x)) = 32(x + -6)(x + 30) -800 + 120x + 8x2 + 4((-4 * 12 + x * 12) + x(-4 + x)) = 32(x + -6)(x + 30) -800 + 120x + 8x2 + 4((-48 + 12x) + x(-4 + x)) = 32(x + -6)(x + 30) -800 + 120x + 8x2 + 4(-48 + 12x + (-4 * x + x * x)) = 32(x + -6)(x + 30) -800 + 120x + 8x2 + 4(-48 + 12x + (-4x + x2)) = 32(x + -6)(x + 30) Combine like terms: 12x + -4x = 8x -800 + 120x + 8x2 + 4(-48 + 8x + x2) = 32(x + -6)(x + 30) -800 + 120x + 8x2 + (-48 * 4 + 8x * 4 + x2 * 4) = 32(x + -6)(x + 30) -800 + 120x + 8x2 + (-192 + 32x + 4x2) = 32(x + -6)(x + 30) Reorder the terms: -800 + -192 + 120x + 32x + 8x2 + 4x2 = 32(x + -6)(x + 30) Combine like terms: -800 + -192 = -992 -992 + 120x + 32x + 8x2 + 4x2 = 32(x + -6)(x + 30) Combine like terms: 120x + 32x = 152x -992 + 152x + 8x2 + 4x2 = 32(x + -6)(x + 30) Combine like terms: 8x2 + 4x2 = 12x2 -992 + 152x + 12x2 = 32(x + -6)(x + 30) Reorder the terms: -992 + 152x + 12x2 = 32(-6 + x)(x + 30) Reorder the terms: -992 + 152x + 12x2 = 32(-6 + x)(30 + x) Multiply (-6 + x) * (30 + x) -992 + 152x + 12x2 = 32(-6(30 + x) + x(30 + x)) -992 + 152x + 12x2 = 32((30 * -6 + x * -6) + x(30 + x)) -992 + 152x + 12x2 = 32((-180 + -6x) + x(30 + x)) -992 + 152x + 12x2 = 32(-180 + -6x + (30 * x + x * x)) -992 + 152x + 12x2 = 32(-180 + -6x + (30x + x2)) Combine like terms: -6x + 30x = 24x -992 + 152x + 12x2 = 32(-180 + 24x + x2) -992 + 152x + 12x2 = (-180 * 32 + 24x * 32 + x2 * 32) -992 + 152x + 12x2 = (-5760 + 768x + 32x2) Solving -992 + 152x + 12x2 = -5760 + 768x + 32x2 Solving for variable 'x'. Reorder the terms: -992 + 5760 + 152x + -768x + 12x2 + -32x2 = -5760 + 768x + 32x2 + 5760 + -768x + -32x2 Combine like terms: -992 + 5760 = 4768 4768 + 152x + -768x + 12x2 + -32x2 = -5760 + 768x + 32x2 + 5760 + -768x + -32x2 Combine like terms: 152x + -768x = -616x 4768 + -616x + 12x2 + -32x2 = -5760 + 768x + 32x2 + 5760 + -768x + -32x2 Combine like terms: 12x2 + -32x2 = -20x2 4768 + -616x + -20x2 = -5760 + 768x + 32x2 + 5760 + -768x + -32x2 Reorder the terms: 4768 + -616x + -20x2 = -5760 + 5760 + 768x + -768x + 32x2 + -32x2 Combine like terms: -5760 + 5760 = 0 4768 + -616x + -20x2 = 0 + 768x + -768x + 32x2 + -32x2 4768 + -616x + -20x2 = 768x + -768x + 32x2 + -32x2 Combine like terms: 768x + -768x = 0 4768 + -616x + -20x2 = 0 + 32x2 + -32x2 4768 + -616x + -20x2 = 32x2 + -32x2 Combine like terms: 32x2 + -32x2 = 0 4768 + -616x + -20x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(1192 + -154x + -5x2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(1192 + -154x + -5x2)' equal to zero and attempt to solve: Simplifying 1192 + -154x + -5x2 = 0 Solving 1192 + -154x + -5x2 = 0 Begin completing the square. Divide all terms by -5 the coefficient of the squared term: Divide each side by '-5'. -238.4 + 30.8x + x2 = 0 Move the constant term to the right: Add '238.4' to each side of the equation. -238.4 + 30.8x + 238.4 + x2 = 0 + 238.4 Reorder the terms: -238.4 + 238.4 + 30.8x + x2 = 0 + 238.4 Combine like terms: -238.4 + 238.4 = 0.0 0.0 + 30.8x + x2 = 0 + 238.4 30.8x + x2 = 0 + 238.4 Combine like terms: 0 + 238.4 = 238.4 30.8x + x2 = 238.4 The x term is 30.8x. Take half its coefficient (15.4). Square it (237.16) and add it to both sides. Add '237.16' to each side of the equation. 30.8x + 237.16 + x2 = 238.4 + 237.16 Reorder the terms: 237.16 + 30.8x + x2 = 238.4 + 237.16 Combine like terms: 238.4 + 237.16 = 475.56 237.16 + 30.8x + x2 = 475.56 Factor a perfect square on the left side: (x + 15.4)(x + 15.4) = 475.56 Calculate the square root of the right side: 21.807338214 Break this problem into two subproblems by setting (x + 15.4) equal to 21.807338214 and -21.807338214.Subproblem 1
x + 15.4 = 21.807338214 Simplifying x + 15.4 = 21.807338214 Reorder the terms: 15.4 + x = 21.807338214 Solving 15.4 + x = 21.807338214 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15.4' to each side of the equation. 15.4 + -15.4 + x = 21.807338214 + -15.4 Combine like terms: 15.4 + -15.4 = 0.0 0.0 + x = 21.807338214 + -15.4 x = 21.807338214 + -15.4 Combine like terms: 21.807338214 + -15.4 = 6.407338214 x = 6.407338214 Simplifying x = 6.407338214Subproblem 2
x + 15.4 = -21.807338214 Simplifying x + 15.4 = -21.807338214 Reorder the terms: 15.4 + x = -21.807338214 Solving 15.4 + x = -21.807338214 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15.4' to each side of the equation. 15.4 + -15.4 + x = -21.807338214 + -15.4 Combine like terms: 15.4 + -15.4 = 0.0 0.0 + x = -21.807338214 + -15.4 x = -21.807338214 + -15.4 Combine like terms: -21.807338214 + -15.4 = -37.207338214 x = -37.207338214 Simplifying x = -37.207338214Solution
The solution to the problem is based on the solutions from the subproblems. x = {6.407338214, -37.207338214}Solution
x = {6.407338214, -37.207338214}
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