x^3+7x-18x=0

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Solution for x^3+7x-18x=0 equation:


Simplifying
x3 + 7x + -18x = 0

Reorder the terms:
7x + -18x + x3 = 0

Combine like terms: 7x + -18x = -11x
-11x + x3 = 0

Solving
-11x + x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-11 + x2) = 0

Subproblem 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 = 0

Subproblem 2

Set the factor '(-11 + x2)' equal to zero and attempt to solve: Simplifying -11 + x2 = 0 Solving -11 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + x2 = 0 + 11 Combine like terms: -11 + 11 = 0 0 + x2 = 0 + 11 x2 = 0 + 11 Combine like terms: 0 + 11 = 11 x2 = 11 Simplifying x2 = 11 Take the square root of each side: x = {-3.31662479, 3.31662479}

Solution

x = {0, -3.31662479, 3.31662479}

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