2x^2+2x=1300

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Solution for 2x^2+2x=1300 equation:


Simplifying
2x2 + 2x = 1300

Reorder the terms:
2x + 2x2 = 1300

Solving
2x + 2x2 = 1300

Solving for variable 'x'.

Reorder the terms:
-1300 + 2x + 2x2 = 1300 + -1300

Combine like terms: 1300 + -1300 = 0
-1300 + 2x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-650 + x + x2) = 0

Factor a trinomial.
2((-26 + -1x)(25 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-26 + -1x)' equal to zero and attempt to solve: Simplifying -26 + -1x = 0 Solving -26 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '26' to each side of the equation. -26 + 26 + -1x = 0 + 26 Combine like terms: -26 + 26 = 0 0 + -1x = 0 + 26 -1x = 0 + 26 Combine like terms: 0 + 26 = 26 -1x = 26 Divide each side by '-1'. x = -26 Simplifying x = -26

Subproblem 2

Set the factor '(25 + -1x)' equal to zero and attempt to solve: Simplifying 25 + -1x = 0 Solving 25 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + -1x = 0 + -25 Combine like terms: 25 + -25 = 0 0 + -1x = 0 + -25 -1x = 0 + -25 Combine like terms: 0 + -25 = -25 -1x = -25 Divide each side by '-1'. x = 25 Simplifying x = 25

Solution

x = {-26, 25}

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