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

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


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

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

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

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

Solving
5 + 2x = 25 + -10x + x2

Solving for variable 'x'.

Reorder the terms:
5 + -25 + 2x + 10x + -1x2 = 25 + -10x + x2 + -25 + 10x + -1x2

Combine like terms: 5 + -25 = -20
-20 + 2x + 10x + -1x2 = 25 + -10x + x2 + -25 + 10x + -1x2

Combine like terms: 2x + 10x = 12x
-20 + 12x + -1x2 = 25 + -10x + x2 + -25 + 10x + -1x2

Reorder the terms:
-20 + 12x + -1x2 = 25 + -25 + -10x + 10x + x2 + -1x2

Combine like terms: 25 + -25 = 0
-20 + 12x + -1x2 = 0 + -10x + 10x + x2 + -1x2
-20 + 12x + -1x2 = -10x + 10x + x2 + -1x2

Combine like terms: -10x + 10x = 0
-20 + 12x + -1x2 = 0 + x2 + -1x2
-20 + 12x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-20 + 12x + -1x2 = 0

Factor a trinomial.
(-10 + x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-10 + x)' equal to zero and attempt to solve: Simplifying -10 + x = 0 Solving -10 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + x = 0 + 10 x = 0 + 10 Combine like terms: 0 + 10 = 10 x = 10 Simplifying x = 10

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {10, 2}

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