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Simplifying (4x2 + -3x + -7) + (4x2 + 3x + 13) + -1(8x2 + -18) = 0 Reorder the terms: (-7 + -3x + 4x2) + (4x2 + 3x + 13) + -1(8x2 + -18) = 0 Remove parenthesis around (-7 + -3x + 4x2) -7 + -3x + 4x2 + (4x2 + 3x + 13) + -1(8x2 + -18) = 0 Reorder the terms: -7 + -3x + 4x2 + (13 + 3x + 4x2) + -1(8x2 + -18) = 0 Remove parenthesis around (13 + 3x + 4x2) -7 + -3x + 4x2 + 13 + 3x + 4x2 + -1(8x2 + -18) = 0 Reorder the terms: -7 + -3x + 4x2 + 13 + 3x + 4x2 + -1(-18 + 8x2) = 0 -7 + -3x + 4x2 + 13 + 3x + 4x2 + (-18 * -1 + 8x2 * -1) = 0 -7 + -3x + 4x2 + 13 + 3x + 4x2 + (18 + -8x2) = 0 Reorder the terms: -7 + 13 + 18 + -3x + 3x + 4x2 + 4x2 + -8x2 = 0 Combine like terms: -7 + 13 = 6 6 + 18 + -3x + 3x + 4x2 + 4x2 + -8x2 = 0 Combine like terms: 6 + 18 = 24 24 + -3x + 3x + 4x2 + 4x2 + -8x2 = 0 Combine like terms: -3x + 3x = 0 24 + 0 + 4x2 + 4x2 + -8x2 = 0 24 + 4x2 + 4x2 + -8x2 = 0 Combine like terms: 4x2 + 4x2 = 8x2 24 + 8x2 + -8x2 = 0 Combine like terms: 8x2 + -8x2 = 0 24 + 0 = 0 24 = 0 Solving 24 = 0 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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