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Simplifying X(2x + -7) = (2x + 8)(x + -9) Reorder the terms: X(-7 + 2x) = (2x + 8)(x + -9) (-7 * X + 2x * X) = (2x + 8)(x + -9) (-7X + 2xX) = (2x + 8)(x + -9) Reorder the terms: -7X + 2xX = (8 + 2x)(x + -9) Reorder the terms: -7X + 2xX = (8 + 2x)(-9 + x) Multiply (8 + 2x) * (-9 + x) -7X + 2xX = (8(-9 + x) + 2x * (-9 + x)) -7X + 2xX = ((-9 * 8 + x * 8) + 2x * (-9 + x)) -7X + 2xX = ((-72 + 8x) + 2x * (-9 + x)) -7X + 2xX = (-72 + 8x + (-9 * 2x + x * 2x)) -7X + 2xX = (-72 + 8x + (-18x + 2x2)) Combine like terms: 8x + -18x = -10x -7X + 2xX = (-72 + -10x + 2x2) Solving -7X + 2xX = -72 + -10x + 2x2 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Reorder the terms: 72 + -7X + 10x + 2xX + -2x2 = -72 + -10x + 2x2 + 72 + 10x + -2x2 Reorder the terms: 72 + -7X + 10x + 2xX + -2x2 = -72 + 72 + -10x + 10x + 2x2 + -2x2 Combine like terms: -72 + 72 = 0 72 + -7X + 10x + 2xX + -2x2 = 0 + -10x + 10x + 2x2 + -2x2 72 + -7X + 10x + 2xX + -2x2 = -10x + 10x + 2x2 + -2x2 Combine like terms: -10x + 10x = 0 72 + -7X + 10x + 2xX + -2x2 = 0 + 2x2 + -2x2 72 + -7X + 10x + 2xX + -2x2 = 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 72 + -7X + 10x + 2xX + -2x2 = 0 The solution to this equation could not be determined.
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