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Simplifying 3(x + -2)(x + 1) + -4 = 2(x2 + 1) Reorder the terms: 3(-2 + x)(x + 1) + -4 = 2(x2 + 1) Reorder the terms: 3(-2 + x)(1 + x) + -4 = 2(x2 + 1) Multiply (-2 + x) * (1 + x) 3(-2(1 + x) + x(1 + x)) + -4 = 2(x2 + 1) 3((1 * -2 + x * -2) + x(1 + x)) + -4 = 2(x2 + 1) 3((-2 + -2x) + x(1 + x)) + -4 = 2(x2 + 1) 3(-2 + -2x + (1 * x + x * x)) + -4 = 2(x2 + 1) 3(-2 + -2x + (1x + x2)) + -4 = 2(x2 + 1) Combine like terms: -2x + 1x = -1x 3(-2 + -1x + x2) + -4 = 2(x2 + 1) (-2 * 3 + -1x * 3 + x2 * 3) + -4 = 2(x2 + 1) (-6 + -3x + 3x2) + -4 = 2(x2 + 1) Reorder the terms: -6 + -4 + -3x + 3x2 = 2(x2 + 1) Combine like terms: -6 + -4 = -10 -10 + -3x + 3x2 = 2(x2 + 1) Reorder the terms: -10 + -3x + 3x2 = 2(1 + x2) -10 + -3x + 3x2 = (1 * 2 + x2 * 2) -10 + -3x + 3x2 = (2 + 2x2) Solving -10 + -3x + 3x2 = 2 + 2x2 Solving for variable 'x'. Reorder the terms: -10 + -2 + -3x + 3x2 + -2x2 = 2 + 2x2 + -2 + -2x2 Combine like terms: -10 + -2 = -12 -12 + -3x + 3x2 + -2x2 = 2 + 2x2 + -2 + -2x2 Combine like terms: 3x2 + -2x2 = 1x2 -12 + -3x + 1x2 = 2 + 2x2 + -2 + -2x2 Reorder the terms: -12 + -3x + 1x2 = 2 + -2 + 2x2 + -2x2 Combine like terms: 2 + -2 = 0 -12 + -3x + 1x2 = 0 + 2x2 + -2x2 -12 + -3x + 1x2 = 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -12 + -3x + 1x2 = 0 Begin completing the square. Move the constant term to the right: Add '12' to each side of the equation. -12 + -3x + 12 + x2 = 0 + 12 Reorder the terms: -12 + 12 + -3x + x2 = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -3x + x2 = 0 + 12 -3x + x2 = 0 + 12 Combine like terms: 0 + 12 = 12 -3x + x2 = 12 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 = 12 + 2.25 Reorder the terms: 2.25 + -3x + x2 = 12 + 2.25 Combine like terms: 12 + 2.25 = 14.25 2.25 + -3x + x2 = 14.25 Factor a perfect square on the left side: (x + -1.5)(x + -1.5) = 14.25 Calculate the square root of the right side: 3.774917218 Break this problem into two subproblems by setting (x + -1.5) equal to 3.774917218 and -3.774917218.Subproblem 1
x + -1.5 = 3.774917218 Simplifying x + -1.5 = 3.774917218 Reorder the terms: -1.5 + x = 3.774917218 Solving -1.5 + x = 3.774917218 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 3.774917218 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 3.774917218 + 1.5 x = 3.774917218 + 1.5 Combine like terms: 3.774917218 + 1.5 = 5.274917218 x = 5.274917218 Simplifying x = 5.274917218Subproblem 2
x + -1.5 = -3.774917218 Simplifying x + -1.5 = -3.774917218 Reorder the terms: -1.5 + x = -3.774917218 Solving -1.5 + x = -3.774917218 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -3.774917218 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -3.774917218 + 1.5 x = -3.774917218 + 1.5 Combine like terms: -3.774917218 + 1.5 = -2.274917218 x = -2.274917218 Simplifying x = -2.274917218Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.274917218, -2.274917218}
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