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Simplifying X3 + 9x2 + 18x = 80 Reorder the terms: X3 + 18x + 9x2 = 80 Solving X3 + 18x + 9x2 = 80 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-18x' to each side of the equation. X3 + 18x + -18x + 9x2 = 80 + -18x Combine like terms: 18x + -18x = 0 X3 + 0 + 9x2 = 80 + -18x X3 + 9x2 = 80 + -18x Add '-9x2' to each side of the equation. X3 + 9x2 + -9x2 = 80 + -18x + -9x2 Combine like terms: 9x2 + -9x2 = 0 X3 + 0 = 80 + -18x + -9x2 X3 = 80 + -18x + -9x2 Simplifying X3 = 80 + -18x + -9x2 Reorder the terms: -80 + X3 + 18x + 9x2 = 80 + -18x + -9x2 + -80 + 18x + 9x2 Reorder the terms: -80 + X3 + 18x + 9x2 = 80 + -80 + -18x + 18x + -9x2 + 9x2 Combine like terms: 80 + -80 = 0 -80 + X3 + 18x + 9x2 = 0 + -18x + 18x + -9x2 + 9x2 -80 + X3 + 18x + 9x2 = -18x + 18x + -9x2 + 9x2 Combine like terms: -18x + 18x = 0 -80 + X3 + 18x + 9x2 = 0 + -9x2 + 9x2 -80 + X3 + 18x + 9x2 = -9x2 + 9x2 Combine like terms: -9x2 + 9x2 = 0 -80 + X3 + 18x + 9x2 = 0 The solution to this equation could not be determined.
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