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Simplifying (x) = 2x2 + 8x + 6 x = 2x2 + 8x + 6 Reorder the terms: x = 6 + 8x + 2x2 Solving x = 6 + 8x + 2x2 Solving for variable 'x'. Reorder the terms: -6 + x + -8x + -2x2 = 6 + 8x + 2x2 + -6 + -8x + -2x2 Combine like terms: x + -8x = -7x -6 + -7x + -2x2 = 6 + 8x + 2x2 + -6 + -8x + -2x2 Reorder the terms: -6 + -7x + -2x2 = 6 + -6 + 8x + -8x + 2x2 + -2x2 Combine like terms: 6 + -6 = 0 -6 + -7x + -2x2 = 0 + 8x + -8x + 2x2 + -2x2 -6 + -7x + -2x2 = 8x + -8x + 2x2 + -2x2 Combine like terms: 8x + -8x = 0 -6 + -7x + -2x2 = 0 + 2x2 + -2x2 -6 + -7x + -2x2 = 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -6 + -7x + -2x2 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(6 + 7x + 2x2) = 0 Factor a trinomial. -1((2 + x)(3 + 2x)) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2Subproblem 2
Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5Solution
x = {-2, -1.5}
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