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Simplifying 0 = X3 + -216X Reorder the terms: 0 = -216X + X3 Solving 0 = -216X + X3 Solving for variable 'X'. Remove the zero: 216X + -1X3 = -216X + X3 + 216X + -1X3 Reorder the terms: 216X + -1X3 = -216X + 216X + X3 + -1X3 Combine like terms: -216X + 216X = 0 216X + -1X3 = 0 + X3 + -1X3 216X + -1X3 = X3 + -1X3 Combine like terms: X3 + -1X3 = 0 216X + -1X3 = 0 Factor out the Greatest Common Factor (GCF), 'X'. X(216 + -1X2) = 0Subproblem 1
Set the factor 'X' equal to zero and attempt to solve: Simplifying X = 0 Solving X = 0 Move all terms containing X to the left, all other terms to the right. Simplifying X = 0Subproblem 2
Set the factor '(216 + -1X2)' equal to zero and attempt to solve: Simplifying 216 + -1X2 = 0 Solving 216 + -1X2 = 0 Move all terms containing X to the left, all other terms to the right. Add '-216' to each side of the equation. 216 + -216 + -1X2 = 0 + -216 Combine like terms: 216 + -216 = 0 0 + -1X2 = 0 + -216 -1X2 = 0 + -216 Combine like terms: 0 + -216 = -216 -1X2 = -216 Divide each side by '-1'. X2 = 216 Simplifying X2 = 216 Take the square root of each side: X = {-14.696938457, 14.696938457}Solution
X = {0, -14.696938457, 14.696938457}
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