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Simplifying x2 + 21x + 29 = 9x + -3 Reorder the terms: 29 + 21x + x2 = 9x + -3 Reorder the terms: 29 + 21x + x2 = -3 + 9x Solving 29 + 21x + x2 = -3 + 9x Solving for variable 'x'. Reorder the terms: 29 + 3 + 21x + -9x + x2 = -3 + 9x + 3 + -9x Combine like terms: 29 + 3 = 32 32 + 21x + -9x + x2 = -3 + 9x + 3 + -9x Combine like terms: 21x + -9x = 12x 32 + 12x + x2 = -3 + 9x + 3 + -9x Reorder the terms: 32 + 12x + x2 = -3 + 3 + 9x + -9x Combine like terms: -3 + 3 = 0 32 + 12x + x2 = 0 + 9x + -9x 32 + 12x + x2 = 9x + -9x Combine like terms: 9x + -9x = 0 32 + 12x + x2 = 0 Factor a trinomial. (8 + x)(4 + x) = 0Subproblem 1
Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8Subproblem 2
Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4Solution
x = {-8, -4}
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