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Simplifying -3x2 + -12x + -7 = -4x2 + -43 Reorder the terms: -7 + -12x + -3x2 = -4x2 + -43 Reorder the terms: -7 + -12x + -3x2 = -43 + -4x2 Solving -7 + -12x + -3x2 = -43 + -4x2 Solving for variable 'x'. Reorder the terms: -7 + 43 + -12x + -3x2 + 4x2 = -43 + -4x2 + 43 + 4x2 Combine like terms: -7 + 43 = 36 36 + -12x + -3x2 + 4x2 = -43 + -4x2 + 43 + 4x2 Combine like terms: -3x2 + 4x2 = 1x2 36 + -12x + 1x2 = -43 + -4x2 + 43 + 4x2 Reorder the terms: 36 + -12x + 1x2 = -43 + 43 + -4x2 + 4x2 Combine like terms: -43 + 43 = 0 36 + -12x + 1x2 = 0 + -4x2 + 4x2 36 + -12x + 1x2 = -4x2 + 4x2 Combine like terms: -4x2 + 4x2 = 0 36 + -12x + 1x2 = 0 Factor a trinomial. (6 + -1x)(6 + -1x) = 0Subproblem 1
Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6Subproblem 2
Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6Solution
x = {6, 6}
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