5x^2-10x+25=100

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Solution for 5x^2-10x+25=100 equation:


Simplifying
5x2 + -10x + 25 = 100

Reorder the terms:
25 + -10x + 5x2 = 100

Solving
25 + -10x + 5x2 = 100

Solving for variable 'x'.

Reorder the terms:
25 + -100 + -10x + 5x2 = 100 + -100

Combine like terms: 25 + -100 = -75
-75 + -10x + 5x2 = 100 + -100

Combine like terms: 100 + -100 = 0
-75 + -10x + 5x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-15 + -2x + x2) = 0

Factor a trinomial.
5((-3 + -1x)(5 + -1x)) = 0

Ignore the factor 5.

Subproblem 1

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

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 = {-3, 5}

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