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Simplifying 8x2 + 5x = 2x2 + 4 Reorder the terms: 5x + 8x2 = 2x2 + 4 Reorder the terms: 5x + 8x2 = 4 + 2x2 Solving 5x + 8x2 = 4 + 2x2 Solving for variable 'x'. Reorder the terms: -4 + 5x + 8x2 + -2x2 = 4 + 2x2 + -4 + -2x2 Combine like terms: 8x2 + -2x2 = 6x2 -4 + 5x + 6x2 = 4 + 2x2 + -4 + -2x2 Reorder the terms: -4 + 5x + 6x2 = 4 + -4 + 2x2 + -2x2 Combine like terms: 4 + -4 = 0 -4 + 5x + 6x2 = 0 + 2x2 + -2x2 -4 + 5x + 6x2 = 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 -4 + 5x + 6x2 = 0 Factor a trinomial. (-4 + -3x)(1 + -2x) = 0Subproblem 1
Set the factor '(-4 + -3x)' equal to zero and attempt to solve: Simplifying -4 + -3x = 0 Solving -4 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -3x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -3x = 0 + 4 -3x = 0 + 4 Combine like terms: 0 + 4 = 4 -3x = 4 Divide each side by '-3'. x = -1.333333333 Simplifying x = -1.333333333Subproblem 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 = {-1.333333333, 0.5}
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