x^2+18x=-9x

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Solution for x^2+18x=-9x equation:


Simplifying
x2 + 18x = -9x

Reorder the terms:
18x + x2 = -9x

Solving
18x + x2 = -9x

Solving for variable 'x'.

Reorder the terms:
18x + 9x + x2 = -9x + 9x

Combine like terms: 18x + 9x = 27x
27x + x2 = -9x + 9x

Combine like terms: -9x + 9x = 0
27x + x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(27 + x) = 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 '(27 + x)' equal to zero and attempt to solve: Simplifying 27 + x = 0 Solving 27 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-27' to each side of the equation. 27 + -27 + x = 0 + -27 Combine like terms: 27 + -27 = 0 0 + x = 0 + -27 x = 0 + -27 Combine like terms: 0 + -27 = -27 x = -27 Simplifying x = -27

Solution

x = {0, -27}

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