x^2-25=x-5

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Solution for x^2-25=x-5 equation:


Simplifying
x2 + -25 = x + -5

Reorder the terms:
-25 + x2 = x + -5

Reorder the terms:
-25 + x2 = -5 + x

Solving
-25 + x2 = -5 + x

Solving for variable 'x'.

Reorder the terms:
-25 + 5 + -1x + x2 = -5 + x + 5 + -1x

Combine like terms: -25 + 5 = -20
-20 + -1x + x2 = -5 + x + 5 + -1x

Reorder the terms:
-20 + -1x + x2 = -5 + 5 + x + -1x

Combine like terms: -5 + 5 = 0
-20 + -1x + x2 = 0 + x + -1x
-20 + -1x + x2 = x + -1x

Combine like terms: x + -1x = 0
-20 + -1x + x2 = 0

Factor a trinomial.
(-4 + -1x)(5 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-4, 5}

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