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Simplifying -2x(x + 1) = -2x + 5 Reorder the terms: -2x(1 + x) = -2x + 5 (1 * -2x + x * -2x) = -2x + 5 (-2x + -2x2) = -2x + 5 Reorder the terms: -2x + -2x2 = 5 + -2x Add '2x' to each side of the equation. -2x + 2x + -2x2 = 5 + -2x + 2x Combine like terms: -2x + 2x = 0 0 + -2x2 = 5 + -2x + 2x -2x2 = 5 + -2x + 2x Combine like terms: -2x + 2x = 0 -2x2 = 5 + 0 -2x2 = 5 Solving -2x2 = 5 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Divide each side by '-2'. x2 = -2.5 Simplifying x2 = -2.5 Reorder the terms: 2.5 + x2 = -2.5 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 2.5 + x2 = 0.0 The solution to this equation could not be determined.
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