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Simplifying (x + 9)(x2 + -9x + 81) = 0 Reorder the terms: (9 + x)(x2 + -9x + 81) = 0 Reorder the terms: (9 + x)(81 + -9x + x2) = 0 Multiply (9 + x) * (81 + -9x + x2) (9(81 + -9x + x2) + x(81 + -9x + x2)) = 0 ((81 * 9 + -9x * 9 + x2 * 9) + x(81 + -9x + x2)) = 0 ((729 + -81x + 9x2) + x(81 + -9x + x2)) = 0 (729 + -81x + 9x2 + (81 * x + -9x * x + x2 * x)) = 0 (729 + -81x + 9x2 + (81x + -9x2 + x3)) = 0 Reorder the terms: (729 + -81x + 81x + 9x2 + -9x2 + x3) = 0 Combine like terms: -81x + 81x = 0 (729 + 0 + 9x2 + -9x2 + x3) = 0 (729 + 9x2 + -9x2 + x3) = 0 Combine like terms: 9x2 + -9x2 = 0 (729 + 0 + x3) = 0 (729 + x3) = 0 Solving 729 + x3 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-729' to each side of the equation. 729 + -729 + x3 = 0 + -729 Combine like terms: 729 + -729 = 0 0 + x3 = 0 + -729 x3 = 0 + -729 Combine like terms: 0 + -729 = -729 x3 = -729 Simplifying x3 = -729 Reorder the terms: 729 + x3 = -729 + 729 Combine like terms: -729 + 729 = 0 729 + x3 = 0 The solution to this equation could not be determined.
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