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