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Simplifying 8x = 4x2 + -5 Reorder the terms: 8x = -5 + 4x2 Solving 8x = -5 + 4x2 Solving for variable 'x'. Reorder the terms: 5 + 8x + -4x2 = -5 + 4x2 + 5 + -4x2 Reorder the terms: 5 + 8x + -4x2 = -5 + 5 + 4x2 + -4x2 Combine like terms: -5 + 5 = 0 5 + 8x + -4x2 = 0 + 4x2 + -4x2 5 + 8x + -4x2 = 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 5 + 8x + -4x2 = 0 Factor a trinomial. (5 + -2x)(1 + 2x) = 0Subproblem 1
Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5Subproblem 2
Set the factor '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 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 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5Solution
x = {2.5, -0.5}
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