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Simplifying 9x2 + -12x + 4 = 25x2 Reorder the terms: 4 + -12x + 9x2 = 25x2 Solving 4 + -12x + 9x2 = 25x2 Solving for variable 'x'. Combine like terms: 9x2 + -25x2 = -16x2 4 + -12x + -16x2 = 25x2 + -25x2 Combine like terms: 25x2 + -25x2 = 0 4 + -12x + -16x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(1 + -3x + -4x2) = 0 Factor a trinomial. 4((1 + -4x)(1 + x)) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(1 + -4x)' equal to zero and attempt to solve: Simplifying 1 + -4x = 0 Solving 1 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -4x = 0 + -1 -4x = 0 + -1 Combine like terms: 0 + -1 = -1 -4x = -1 Divide each side by '-4'. x = 0.25 Simplifying x = 0.25Subproblem 2
Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1Solution
x = {0.25, -1}
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