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Simplifying 16x2 + -20x = 4x + -9 Reorder the terms: -20x + 16x2 = 4x + -9 Reorder the terms: -20x + 16x2 = -9 + 4x Solving -20x + 16x2 = -9 + 4x Solving for variable 'x'. Reorder the terms: 9 + -20x + -4x + 16x2 = -9 + 4x + 9 + -4x Combine like terms: -20x + -4x = -24x 9 + -24x + 16x2 = -9 + 4x + 9 + -4x Reorder the terms: 9 + -24x + 16x2 = -9 + 9 + 4x + -4x Combine like terms: -9 + 9 = 0 9 + -24x + 16x2 = 0 + 4x + -4x 9 + -24x + 16x2 = 4x + -4x Combine like terms: 4x + -4x = 0 9 + -24x + 16x2 = 0 Factor a trinomial. (3 + -4x)(3 + -4x) = 0Subproblem 1
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 = 0.75Subproblem 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 = {0.75, 0.75}
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