2x-7=x^2-5x-5x+25

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Solution for 2x-7=x^2-5x-5x+25 equation:


Simplifying
2x + -7 = x2 + -5x + -5x + 25

Reorder the terms:
-7 + 2x = x2 + -5x + -5x + 25

Reorder the terms:
-7 + 2x = 25 + -5x + -5x + x2

Combine like terms: -5x + -5x = -10x
-7 + 2x = 25 + -10x + x2

Solving
-7 + 2x = 25 + -10x + x2

Solving for variable 'x'.

Reorder the terms:
-7 + -25 + 2x + 10x + -1x2 = 25 + -10x + x2 + -25 + 10x + -1x2

Combine like terms: -7 + -25 = -32
-32 + 2x + 10x + -1x2 = 25 + -10x + x2 + -25 + 10x + -1x2

Combine like terms: 2x + 10x = 12x
-32 + 12x + -1x2 = 25 + -10x + x2 + -25 + 10x + -1x2

Reorder the terms:
-32 + 12x + -1x2 = 25 + -25 + -10x + 10x + x2 + -1x2

Combine like terms: 25 + -25 = 0
-32 + 12x + -1x2 = 0 + -10x + 10x + x2 + -1x2
-32 + 12x + -1x2 = -10x + 10x + x2 + -1x2

Combine like terms: -10x + 10x = 0
-32 + 12x + -1x2 = 0 + x2 + -1x2
-32 + 12x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-32 + 12x + -1x2 = 0

Factor a trinomial.
(-8 + x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-8 + x)' equal to zero and attempt to solve: Simplifying -8 + x = 0 Solving -8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + x = 0 + 8 x = 0 + 8 Combine like terms: 0 + 8 = 8 x = 8 Simplifying x = 8

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 = {8, 4}

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