25=x^2+8x-23

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Solution for 25=x^2+8x-23 equation:


Simplifying
25 = x2 + 8x + -23

Reorder the terms:
25 = -23 + 8x + x2

Solving
25 = -23 + 8x + x2

Solving for variable 'x'.

Combine like terms: 25 + 23 = 48
48 + -8x + -1x2 = -23 + 8x + x2 + 23 + -8x + -1x2

Reorder the terms:
48 + -8x + -1x2 = -23 + 23 + 8x + -8x + x2 + -1x2

Combine like terms: -23 + 23 = 0
48 + -8x + -1x2 = 0 + 8x + -8x + x2 + -1x2
48 + -8x + -1x2 = 8x + -8x + x2 + -1x2

Combine like terms: 8x + -8x = 0
48 + -8x + -1x2 = 0 + x2 + -1x2
48 + -8x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
48 + -8x + -1x2 = 0

Factor a trinomial.
(4 + -1x)(12 + x) = 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 '(12 + x)' equal to zero and attempt to solve: Simplifying 12 + x = 0 Solving 12 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + x = 0 + -12 x = 0 + -12 Combine like terms: 0 + -12 = -12 x = -12 Simplifying x = -12

Solution

x = {4, -12}

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