2x^2+10x+25=625

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Solution for 2x^2+10x+25=625 equation:


Simplifying
2x2 + 10x + 25 = 625

Reorder the terms:
25 + 10x + 2x2 = 625

Solving
25 + 10x + 2x2 = 625

Solving for variable 'x'.

Reorder the terms:
25 + -625 + 10x + 2x2 = 625 + -625

Combine like terms: 25 + -625 = -600
-600 + 10x + 2x2 = 625 + -625

Combine like terms: 625 + -625 = 0
-600 + 10x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-300 + 5x + x2) = 0

Factor a trinomial.
2((-20 + -1x)(15 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-20 + -1x)' equal to zero and attempt to solve: Simplifying -20 + -1x = 0 Solving -20 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + -1x = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -1x = 0 + 20 -1x = 0 + 20 Combine like terms: 0 + 20 = 20 -1x = 20 Divide each side by '-1'. x = -20 Simplifying x = -20

Subproblem 2

Set the factor '(15 + -1x)' equal to zero and attempt to solve: Simplifying 15 + -1x = 0 Solving 15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -1x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -1x = 0 + -15 -1x = 0 + -15 Combine like terms: 0 + -15 = -15 -1x = -15 Divide each side by '-1'. x = 15 Simplifying x = 15

Solution

x = {-20, 15}

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