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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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