x-9=x^2-9

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


Simplifying
x + -9 = x2 + -9

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

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

Add '9' to each side of the equation.
-9 + 9 + x = -9 + 9 + x2

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

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

Solving
x = x2

Solving for variable 'x'.

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

Factor out the Greatest Common Factor (GCF), 'x'.
x(1 + -1x) = 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 '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {0, 1}

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