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Simplifying 0 = 16x2 + -64x + 39 Reorder the terms: 0 = 39 + -64x + 16x2 Solving 0 = 39 + -64x + 16x2 Solving for variable 'x'. Combine like terms: 0 + -39 = -39 -39 + 64x + -16x2 = 39 + -64x + 16x2 + -39 + 64x + -16x2 Reorder the terms: -39 + 64x + -16x2 = 39 + -39 + -64x + 64x + 16x2 + -16x2 Combine like terms: 39 + -39 = 0 -39 + 64x + -16x2 = 0 + -64x + 64x + 16x2 + -16x2 -39 + 64x + -16x2 = -64x + 64x + 16x2 + -16x2 Combine like terms: -64x + 64x = 0 -39 + 64x + -16x2 = 0 + 16x2 + -16x2 -39 + 64x + -16x2 = 16x2 + -16x2 Combine like terms: 16x2 + -16x2 = 0 -39 + 64x + -16x2 = 0 Factor a trinomial. (-13 + 4x)(3 + -4x) = 0Subproblem 1
Set the factor '(-13 + 4x)' equal to zero and attempt to solve: Simplifying -13 + 4x = 0 Solving -13 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + 4x = 0 + 13 Combine like terms: -13 + 13 = 0 0 + 4x = 0 + 13 4x = 0 + 13 Combine like terms: 0 + 13 = 13 4x = 13 Divide each side by '4'. x = 3.25 Simplifying x = 3.25Subproblem 2
Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 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 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75Solution
x = {3.25, 0.75}
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