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Simplifying (X + -1)(x2 + 9x + 20) = 0 Reorder the terms: (-1 + X)(x2 + 9x + 20) = 0 Reorder the terms: (-1 + X)(20 + 9x + x2) = 0 Multiply (-1 + X) * (20 + 9x + x2) (-1(20 + 9x + x2) + X(20 + 9x + x2)) = 0 ((20 * -1 + 9x * -1 + x2 * -1) + X(20 + 9x + x2)) = 0 ((-20 + -9x + -1x2) + X(20 + 9x + x2)) = 0 (-20 + -9x + -1x2 + (20 * X + 9x * X + x2 * X)) = 0 (-20 + -9x + -1x2 + (20X + 9xX + x2X)) = 0 Reorder the terms: (-20 + 20X + -9x + 9xX + -1x2 + x2X) = 0 (-20 + 20X + -9x + 9xX + -1x2 + x2X) = 0 Solving -20 + 20X + -9x + 9xX + -1x2 + x2X = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20X + -9x + 9xX + -1x2 + 20 + x2X = 0 + 20 Reorder the terms: -20 + 20 + 20X + -9x + 9xX + -1x2 + x2X = 0 + 20 Combine like terms: -20 + 20 = 0 0 + 20X + -9x + 9xX + -1x2 + x2X = 0 + 20 20X + -9x + 9xX + -1x2 + x2X = 0 + 20 Combine like terms: 0 + 20 = 20 20X + -9x + 9xX + -1x2 + x2X = 20 Add '9x' to each side of the equation. 20X + -9x + 9xX + -1x2 + 9x + x2X = 20 + 9x Reorder the terms: 20X + -9x + 9x + 9xX + -1x2 + x2X = 20 + 9x Combine like terms: -9x + 9x = 0 20X + 0 + 9xX + -1x2 + x2X = 20 + 9x 20X + 9xX + -1x2 + x2X = 20 + 9x Add 'x2' to each side of the equation. 20X + 9xX + -1x2 + x2 + x2X = 20 + 9x + x2 Combine like terms: -1x2 + x2 = 0 20X + 9xX + 0 + x2X = 20 + 9x + x2 20X + 9xX + x2X = 20 + 9x + x2 Reorder the terms: -20 + 20X + -9x + 9xX + -1x2 + x2X = 20 + 9x + x2 + -20 + -9x + -1x2 Reorder the terms: -20 + 20X + -9x + 9xX + -1x2 + x2X = 20 + -20 + 9x + -9x + x2 + -1x2 Combine like terms: 20 + -20 = 0 -20 + 20X + -9x + 9xX + -1x2 + x2X = 0 + 9x + -9x + x2 + -1x2 -20 + 20X + -9x + 9xX + -1x2 + x2X = 9x + -9x + x2 + -1x2 Combine like terms: 9x + -9x = 0 -20 + 20X + -9x + 9xX + -1x2 + x2X = 0 + x2 + -1x2 -20 + 20X + -9x + 9xX + -1x2 + x2X = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -20 + 20X + -9x + 9xX + -1x2 + x2X = 0 The solution to this equation could not be determined.
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