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Simplifying (X2 + 9x + 8) + -1(x2 + 4x + 8) = 0 Reorder the terms: (8 + X2 + 9x) + -1(x2 + 4x + 8) = 0 Remove parenthesis around (8 + X2 + 9x) 8 + X2 + 9x + -1(x2 + 4x + 8) = 0 Reorder the terms: 8 + X2 + 9x + -1(8 + 4x + x2) = 0 8 + X2 + 9x + (8 * -1 + 4x * -1 + x2 * -1) = 0 8 + X2 + 9x + (-8 + -4x + -1x2) = 0 Reorder the terms: 8 + -8 + X2 + 9x + -4x + -1x2 = 0 Combine like terms: 8 + -8 = 0 0 + X2 + 9x + -4x + -1x2 = 0 X2 + 9x + -4x + -1x2 = 0 Combine like terms: 9x + -4x = 5x X2 + 5x + -1x2 = 0 Solving X2 + 5x + -1x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-5x' to each side of the equation. X2 + 5x + -5x + -1x2 = 0 + -5x Combine like terms: 5x + -5x = 0 X2 + 0 + -1x2 = 0 + -5x X2 + -1x2 = 0 + -5x Remove the zero: X2 + -1x2 = -5x Add 'x2' to each side of the equation. X2 + -1x2 + x2 = -5x + x2 Combine like terms: -1x2 + x2 = 0 X2 + 0 = -5x + x2 X2 = -5x + x2 Simplifying X2 = -5x + x2 Reorder the terms: X2 + 5x + -1x2 = -5x + 5x + x2 + -1x2 Combine like terms: -5x + 5x = 0 X2 + 5x + -1x2 = 0 + x2 + -1x2 X2 + 5x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 X2 + 5x + -1x2 = 0 The solution to this equation could not be determined.
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