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Simplifying 2x2 + 6x + 9 = 485 Reorder the terms: 9 + 6x + 2x2 = 485 Solving 9 + 6x + 2x2 = 485 Solving for variable 'x'. Reorder the terms: 9 + -485 + 6x + 2x2 = 485 + -485 Combine like terms: 9 + -485 = -476 -476 + 6x + 2x2 = 485 + -485 Combine like terms: 485 + -485 = 0 -476 + 6x + 2x2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-238 + 3x + x2) = 0 Factor a trinomial. 2((-17 + -1x)(14 + -1x)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-17 + -1x)' equal to zero and attempt to solve: Simplifying -17 + -1x = 0 Solving -17 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + -1x = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -1x = 0 + 17 -1x = 0 + 17 Combine like terms: 0 + 17 = 17 -1x = 17 Divide each side by '-1'. x = -17 Simplifying x = -17Subproblem 2
Set the factor '(14 + -1x)' equal to zero and attempt to solve: Simplifying 14 + -1x = 0 Solving 14 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -1x = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -1x = 0 + -14 -1x = 0 + -14 Combine like terms: 0 + -14 = -14 -1x = -14 Divide each side by '-1'. x = 14 Simplifying x = 14Solution
x = {-17, 14}
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