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Simplifying x(x + 1)(x + -10) = (x + -1)(x + -3)(x + -5) Reorder the terms: x(1 + x)(x + -10) = (x + -1)(x + -3)(x + -5) Reorder the terms: x(1 + x)(-10 + x) = (x + -1)(x + -3)(x + -5) Multiply (1 + x) * (-10 + x) x(1(-10 + x) + x(-10 + x)) = (x + -1)(x + -3)(x + -5) x((-10 * 1 + x * 1) + x(-10 + x)) = (x + -1)(x + -3)(x + -5) x((-10 + 1x) + x(-10 + x)) = (x + -1)(x + -3)(x + -5) x(-10 + 1x + (-10 * x + x * x)) = (x + -1)(x + -3)(x + -5) x(-10 + 1x + (-10x + x2)) = (x + -1)(x + -3)(x + -5) Combine like terms: 1x + -10x = -9x x(-10 + -9x + x2) = (x + -1)(x + -3)(x + -5) (-10 * x + -9x * x + x2 * x) = (x + -1)(x + -3)(x + -5) (-10x + -9x2 + x3) = (x + -1)(x + -3)(x + -5) Reorder the terms: -10x + -9x2 + x3 = (-1 + x)(x + -3)(x + -5) Reorder the terms: -10x + -9x2 + x3 = (-1 + x)(-3 + x)(x + -5) Reorder the terms: -10x + -9x2 + x3 = (-1 + x)(-3 + x)(-5 + x) Multiply (-1 + x) * (-3 + x) -10x + -9x2 + x3 = (-1(-3 + x) + x(-3 + x))(-5 + x) -10x + -9x2 + x3 = ((-3 * -1 + x * -1) + x(-3 + x))(-5 + x) -10x + -9x2 + x3 = ((3 + -1x) + x(-3 + x))(-5 + x) -10x + -9x2 + x3 = (3 + -1x + (-3 * x + x * x))(-5 + x) -10x + -9x2 + x3 = (3 + -1x + (-3x + x2))(-5 + x) Combine like terms: -1x + -3x = -4x -10x + -9x2 + x3 = (3 + -4x + x2)(-5 + x) Multiply (3 + -4x + x2) * (-5 + x) -10x + -9x2 + x3 = (3(-5 + x) + -4x * (-5 + x) + x2(-5 + x)) -10x + -9x2 + x3 = ((-5 * 3 + x * 3) + -4x * (-5 + x) + x2(-5 + x)) -10x + -9x2 + x3 = ((-15 + 3x) + -4x * (-5 + x) + x2(-5 + x)) -10x + -9x2 + x3 = (-15 + 3x + (-5 * -4x + x * -4x) + x2(-5 + x)) -10x + -9x2 + x3 = (-15 + 3x + (20x + -4x2) + x2(-5 + x)) -10x + -9x2 + x3 = (-15 + 3x + 20x + -4x2 + (-5 * x2 + x * x2)) -10x + -9x2 + x3 = (-15 + 3x + 20x + -4x2 + (-5x2 + x3)) Combine like terms: 3x + 20x = 23x -10x + -9x2 + x3 = (-15 + 23x + -4x2 + -5x2 + x3) Combine like terms: -4x2 + -5x2 = -9x2 -10x + -9x2 + x3 = (-15 + 23x + -9x2 + x3) Add '9x2' to each side of the equation. -10x + -9x2 + 9x2 + x3 = -15 + 23x + -9x2 + 9x2 + x3 Combine like terms: -9x2 + 9x2 = 0 -10x + 0 + x3 = -15 + 23x + -9x2 + 9x2 + x3 -10x + x3 = -15 + 23x + -9x2 + 9x2 + x3 Combine like terms: -9x2 + 9x2 = 0 -10x + x3 = -15 + 23x + 0 + x3 -10x + x3 = -15 + 23x + x3 Add '-1x3' to each side of the equation. -10x + x3 + -1x3 = -15 + 23x + x3 + -1x3 Combine like terms: x3 + -1x3 = 0 -10x + 0 = -15 + 23x + x3 + -1x3 -10x = -15 + 23x + x3 + -1x3 Combine like terms: x3 + -1x3 = 0 -10x = -15 + 23x + 0 -10x = -15 + 23x Solving -10x = -15 + 23x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-23x' to each side of the equation. -10x + -23x = -15 + 23x + -23x Combine like terms: -10x + -23x = -33x -33x = -15 + 23x + -23x Combine like terms: 23x + -23x = 0 -33x = -15 + 0 -33x = -15 Divide each side by '-33'. x = 0.4545454545 Simplifying x = 0.4545454545
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