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Simplifying 2x(-1 + x) + 2x2 = 4x(2 + x) (-1 * 2x + x * 2x) + 2x2 = 4x(2 + x) (-2x + 2x2) + 2x2 = 4x(2 + x) Combine like terms: 2x2 + 2x2 = 4x2 -2x + 4x2 = 4x(2 + x) -2x + 4x2 = (2 * 4x + x * 4x) -2x + 4x2 = (8x + 4x2) Add '-4x2' to each side of the equation. -2x + 4x2 + -4x2 = 8x + 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 -2x + 0 = 8x + 4x2 + -4x2 -2x = 8x + 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 -2x = 8x + 0 -2x = 8x Solving -2x = 8x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8x' to each side of the equation. -2x + -8x = 8x + -8x Combine like terms: -2x + -8x = -10x -10x = 8x + -8x Combine like terms: 8x + -8x = 0 -10x = 0 Divide each side by '-10'. x = 0.0 Simplifying x = 0.0
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