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Simplifying (5 + -3x2) + -1(5x2 + 3) + -1(7 + x2) = 0 Remove parenthesis around (5 + -3x2) 5 + -3x2 + -1(5x2 + 3) + -1(7 + x2) = 0 Reorder the terms: 5 + -3x2 + -1(3 + 5x2) + -1(7 + x2) = 0 5 + -3x2 + (3 * -1 + 5x2 * -1) + -1(7 + x2) = 0 5 + -3x2 + (-3 + -5x2) + -1(7 + x2) = 0 5 + -3x2 + -3 + -5x2 + (7 * -1 + x2 * -1) = 0 5 + -3x2 + -3 + -5x2 + (-7 + -1x2) = 0 Reorder the terms: 5 + -3 + -7 + -3x2 + -5x2 + -1x2 = 0 Combine like terms: 5 + -3 = 2 2 + -7 + -3x2 + -5x2 + -1x2 = 0 Combine like terms: 2 + -7 = -5 -5 + -3x2 + -5x2 + -1x2 = 0 Combine like terms: -3x2 + -5x2 = -8x2 -5 + -8x2 + -1x2 = 0 Combine like terms: -8x2 + -1x2 = -9x2 -5 + -9x2 = 0 Solving -5 + -9x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -9x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -9x2 = 0 + 5 -9x2 = 0 + 5 Combine like terms: 0 + 5 = 5 -9x2 = 5 Divide each side by '-9'. x2 = -0.5555555556 Simplifying x2 = -0.5555555556 Reorder the terms: 0.5555555556 + x2 = -0.5555555556 + 0.5555555556 Combine like terms: -0.5555555556 + 0.5555555556 = 0.0000000000 0.5555555556 + x2 = 0.0000000000 The solution to this equation could not be determined.
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