(2x+4)x=240

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Solution for (2x+4)x=240 equation:


Simplifying
(2x + 4) * x = 240

Reorder the terms:
(4 + 2x) * x = 240

Reorder the terms for easier multiplication:
x(4 + 2x) = 240
(4 * x + 2x * x) = 240
(4x + 2x2) = 240

Solving
4x + 2x2 = 240

Solving for variable 'x'.

Reorder the terms:
-240 + 4x + 2x2 = 240 + -240

Combine like terms: 240 + -240 = 0
-240 + 4x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-120 + 2x + x2) = 0

Factor a trinomial.
2((-12 + -1x)(10 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-12 + -1x)' equal to zero and attempt to solve: Simplifying -12 + -1x = 0 Solving -12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -1x = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -1x = 0 + 12 -1x = 0 + 12 Combine like terms: 0 + 12 = 12 -1x = 12 Divide each side by '-1'. x = -12 Simplifying x = -12

Subproblem 2

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 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 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {-12, 10}

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