x^2+5x-25=x-4

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Solution for x^2+5x-25=x-4 equation:


Simplifying
x2 + 5x + -25 = x + -4

Reorder the terms:
-25 + 5x + x2 = x + -4

Reorder the terms:
-25 + 5x + x2 = -4 + x

Solving
-25 + 5x + x2 = -4 + x

Solving for variable 'x'.

Reorder the terms:
-25 + 4 + 5x + -1x + x2 = -4 + x + 4 + -1x

Combine like terms: -25 + 4 = -21
-21 + 5x + -1x + x2 = -4 + x + 4 + -1x

Combine like terms: 5x + -1x = 4x
-21 + 4x + x2 = -4 + x + 4 + -1x

Reorder the terms:
-21 + 4x + x2 = -4 + 4 + x + -1x

Combine like terms: -4 + 4 = 0
-21 + 4x + x2 = 0 + x + -1x
-21 + 4x + x2 = x + -1x

Combine like terms: x + -1x = 0
-21 + 4x + x2 = 0

Factor a trinomial.
(-7 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-7, 3}

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