2x-5=x^2-2x-5

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Solution for 2x-5=x^2-2x-5 equation:


Simplifying
2x + -5 = x2 + -2x + -5

Reorder the terms:
-5 + 2x = x2 + -2x + -5

Reorder the terms:
-5 + 2x = -5 + -2x + x2

Add '5' to each side of the equation.
-5 + 5 + 2x = -5 + -2x + 5 + x2

Combine like terms: -5 + 5 = 0
0 + 2x = -5 + -2x + 5 + x2
2x = -5 + -2x + 5 + x2

Reorder the terms:
2x = -5 + 5 + -2x + x2

Combine like terms: -5 + 5 = 0
2x = 0 + -2x + x2
2x = -2x + x2

Solving
2x = -2x + x2

Solving for variable 'x'.

Combine like terms: 2x + 2x = 4x
4x + -1x2 = -2x + x2 + 2x + -1x2

Reorder the terms:
4x + -1x2 = -2x + 2x + x2 + -1x2

Combine like terms: -2x + 2x = 0
4x + -1x2 = 0 + x2 + -1x2
4x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
4x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(4 + -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 '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {0, 4}

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