x(2x+6)=308

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Solution for x(2x+6)=308 equation:


Simplifying
x(2x + 6) = 308

Reorder the terms:
x(6 + 2x) = 308
(6 * x + 2x * x) = 308
(6x + 2x2) = 308

Solving
6x + 2x2 = 308

Solving for variable 'x'.

Reorder the terms:
-308 + 6x + 2x2 = 308 + -308

Combine like terms: 308 + -308 = 0
-308 + 6x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-154 + 3x + x2) = 0

Factor a trinomial.
2((-14 + -1x)(11 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-14 + -1x)' equal to zero and attempt to solve: Simplifying -14 + -1x = 0 Solving -14 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + -1x = 0 + 14 Combine like terms: -14 + 14 = 0 0 + -1x = 0 + 14 -1x = 0 + 14 Combine like terms: 0 + 14 = 14 -1x = 14 Divide each side by '-1'. x = -14 Simplifying x = -14

Subproblem 2

Set the factor '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11

Solution

x = {-14, 11}

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