x*(x+81)=0

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Solution for x*(x+81)=0 equation:


Simplifying
x(x + 81) = 0

Reorder the terms:
x(81 + x) = 0
(81 * x + x * x) = 0
(81x + x2) = 0

Solving
81x + x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(81 + 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 '(81 + x)' equal to zero and attempt to solve: Simplifying 81 + x = 0 Solving 81 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-81' to each side of the equation. 81 + -81 + x = 0 + -81 Combine like terms: 81 + -81 = 0 0 + x = 0 + -81 x = 0 + -81 Combine like terms: 0 + -81 = -81 x = -81 Simplifying x = -81

Solution

x = {0, -81}

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