x(x+7)=x

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Solution for x(x+7)=x equation:


Simplifying
x(x + 7) = x

Reorder the terms:
x(7 + x) = x
(7 * x + x * x) = x
(7x + x2) = x

Solving
7x + x2 = x

Solving for variable 'x'.

Reorder the terms:
7x + -1x + x2 = x + -1x

Combine like terms: 7x + -1x = 6x
6x + x2 = x + -1x

Combine like terms: x + -1x = 0
6x + x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(6 + 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 '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Solution

x = {0, -6}

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