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Simplifying (3x + 1)(x + -3) = (2 + 3)(x + 5) Reorder the terms: (1 + 3x)(x + -3) = (2 + 3)(x + 5) Reorder the terms: (1 + 3x)(-3 + x) = (2 + 3)(x + 5) Multiply (1 + 3x) * (-3 + x) (1(-3 + x) + 3x * (-3 + x)) = (2 + 3)(x + 5) ((-3 * 1 + x * 1) + 3x * (-3 + x)) = (2 + 3)(x + 5) ((-3 + 1x) + 3x * (-3 + x)) = (2 + 3)(x + 5) (-3 + 1x + (-3 * 3x + x * 3x)) = (2 + 3)(x + 5) (-3 + 1x + (-9x + 3x2)) = (2 + 3)(x + 5) Combine like terms: 1x + -9x = -8x (-3 + -8x + 3x2) = (2 + 3)(x + 5) Combine like terms: 2 + 3 = 5 -3 + -8x + 3x2 = (5)(x + 5) Reorder the terms: -3 + -8x + 3x2 = 5(5 + x) -3 + -8x + 3x2 = (5 * 5 + x * 5) -3 + -8x + 3x2 = (25 + 5x) Solving -3 + -8x + 3x2 = 25 + 5x Solving for variable 'x'. Reorder the terms: -3 + -25 + -8x + -5x + 3x2 = 25 + 5x + -25 + -5x Combine like terms: -3 + -25 = -28 -28 + -8x + -5x + 3x2 = 25 + 5x + -25 + -5x Combine like terms: -8x + -5x = -13x -28 + -13x + 3x2 = 25 + 5x + -25 + -5x Reorder the terms: -28 + -13x + 3x2 = 25 + -25 + 5x + -5x Combine like terms: 25 + -25 = 0 -28 + -13x + 3x2 = 0 + 5x + -5x -28 + -13x + 3x2 = 5x + -5x Combine like terms: 5x + -5x = 0 -28 + -13x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -9.333333333 + -4.333333333x + x2 = 0 Move the constant term to the right: Add '9.333333333' to each side of the equation. -9.333333333 + -4.333333333x + 9.333333333 + x2 = 0 + 9.333333333 Reorder the terms: -9.333333333 + 9.333333333 + -4.333333333x + x2 = 0 + 9.333333333 Combine like terms: -9.333333333 + 9.333333333 = 0.000000000 0.000000000 + -4.333333333x + x2 = 0 + 9.333333333 -4.333333333x + x2 = 0 + 9.333333333 Combine like terms: 0 + 9.333333333 = 9.333333333 -4.333333333x + x2 = 9.333333333 The x term is -4.333333333x. Take half its coefficient (-2.166666667). Square it (4.694444446) and add it to both sides. Add '4.694444446' to each side of the equation. -4.333333333x + 4.694444446 + x2 = 9.333333333 + 4.694444446 Reorder the terms: 4.694444446 + -4.333333333x + x2 = 9.333333333 + 4.694444446 Combine like terms: 9.333333333 + 4.694444446 = 14.027777779 4.694444446 + -4.333333333x + x2 = 14.027777779 Factor a perfect square on the left side: (x + -2.166666667)(x + -2.166666667) = 14.027777779 Calculate the square root of the right side: 3.745367509 Break this problem into two subproblems by setting (x + -2.166666667) equal to 3.745367509 and -3.745367509.Subproblem 1
x + -2.166666667 = 3.745367509 Simplifying x + -2.166666667 = 3.745367509 Reorder the terms: -2.166666667 + x = 3.745367509 Solving -2.166666667 + x = 3.745367509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.166666667' to each side of the equation. -2.166666667 + 2.166666667 + x = 3.745367509 + 2.166666667 Combine like terms: -2.166666667 + 2.166666667 = 0.000000000 0.000000000 + x = 3.745367509 + 2.166666667 x = 3.745367509 + 2.166666667 Combine like terms: 3.745367509 + 2.166666667 = 5.912034176 x = 5.912034176 Simplifying x = 5.912034176Subproblem 2
x + -2.166666667 = -3.745367509 Simplifying x + -2.166666667 = -3.745367509 Reorder the terms: -2.166666667 + x = -3.745367509 Solving -2.166666667 + x = -3.745367509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.166666667' to each side of the equation. -2.166666667 + 2.166666667 + x = -3.745367509 + 2.166666667 Combine like terms: -2.166666667 + 2.166666667 = 0.000000000 0.000000000 + x = -3.745367509 + 2.166666667 x = -3.745367509 + 2.166666667 Combine like terms: -3.745367509 + 2.166666667 = -1.578700842 x = -1.578700842 Simplifying x = -1.578700842Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.912034176, -1.578700842}
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