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Simplifying -1(x + 2)(x + 1) + 2 = 3 Reorder the terms: -1(2 + x)(x + 1) + 2 = 3 Reorder the terms: -1(2 + x)(1 + x) + 2 = 3 Multiply (2 + x) * (1 + x) -1(2(1 + x) + x(1 + x)) + 2 = 3 -1((1 * 2 + x * 2) + x(1 + x)) + 2 = 3 -1((2 + 2x) + x(1 + x)) + 2 = 3 -1(2 + 2x + (1 * x + x * x)) + 2 = 3 -1(2 + 2x + (1x + x2)) + 2 = 3 Combine like terms: 2x + 1x = 3x -1(2 + 3x + x2) + 2 = 3 (2 * -1 + 3x * -1 + x2 * -1) + 2 = 3 (-2 + -3x + -1x2) + 2 = 3 Reorder the terms: -2 + 2 + -3x + -1x2 = 3 Combine like terms: -2 + 2 = 0 0 + -3x + -1x2 = 3 -3x + -1x2 = 3 Solving -3x + -1x2 = 3 Solving for variable 'x'. Reorder the terms: -3 + -3x + -1x2 = 3 + -3 Combine like terms: 3 + -3 = 0 -3 + -3x + -1x2 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(3 + 3x + x2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(3 + 3x + x2)' equal to zero and attempt to solve: Simplifying 3 + 3x + x2 = 0 Solving 3 + 3x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-3' to each side of the equation. 3 + 3x + -3 + x2 = 0 + -3 Reorder the terms: 3 + -3 + 3x + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 3x + x2 = 0 + -3 3x + x2 = 0 + -3 Combine like terms: 0 + -3 = -3 3x + x2 = -3 The x term is 3x. Take half its coefficient (1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. 3x + 2.25 + x2 = -3 + 2.25 Reorder the terms: 2.25 + 3x + x2 = -3 + 2.25 Combine like terms: -3 + 2.25 = -0.75 2.25 + 3x + x2 = -0.75 Factor a perfect square on the left side: (x + 1.5)(x + 1.5) = -0.75 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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