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Simplifying 2 + x(x + 2) + -3 = x2 + 2x + 1 + -4 Reorder the terms: 2 + x(2 + x) + -3 = x2 + 2x + 1 + -4 2 + (2 * x + x * x) + -3 = x2 + 2x + 1 + -4 2 + (2x + x2) + -3 = x2 + 2x + 1 + -4 Reorder the terms: 2 + -3 + 2x + x2 = x2 + 2x + 1 + -4 Combine like terms: 2 + -3 = -1 -1 + 2x + x2 = x2 + 2x + 1 + -4 Reorder the terms: -1 + 2x + x2 = 1 + -4 + 2x + x2 Combine like terms: 1 + -4 = -3 -1 + 2x + x2 = -3 + 2x + x2 Add '-2x' to each side of the equation. -1 + 2x + -2x + x2 = -3 + 2x + -2x + x2 Combine like terms: 2x + -2x = 0 -1 + 0 + x2 = -3 + 2x + -2x + x2 -1 + x2 = -3 + 2x + -2x + x2 Combine like terms: 2x + -2x = 0 -1 + x2 = -3 + 0 + x2 -1 + x2 = -3 + x2 Add '-1x2' to each side of the equation. -1 + x2 + -1x2 = -3 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -1 + 0 = -3 + x2 + -1x2 -1 = -3 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -1 = -3 + 0 -1 = -3 Solving -1 = -3 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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