(240+2x)(140+2x)=0

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Solution for (240+2x)(140+2x)=0 equation:


Simplifying
(240 + 2x)(140 + 2x) = 0

Multiply (240 + 2x) * (140 + 2x)
(240(140 + 2x) + 2x * (140 + 2x)) = 0
((140 * 240 + 2x * 240) + 2x * (140 + 2x)) = 0
((33600 + 480x) + 2x * (140 + 2x)) = 0
(33600 + 480x + (140 * 2x + 2x * 2x)) = 0
(33600 + 480x + (280x + 4x2)) = 0

Combine like terms: 480x + 280x = 760x
(33600 + 760x + 4x2) = 0

Solving
33600 + 760x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(8400 + 190x + x2) = 0

Factor a trinomial.
4((120 + x)(70 + x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(120 + x)' equal to zero and attempt to solve: Simplifying 120 + x = 0 Solving 120 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-120' to each side of the equation. 120 + -120 + x = 0 + -120 Combine like terms: 120 + -120 = 0 0 + x = 0 + -120 x = 0 + -120 Combine like terms: 0 + -120 = -120 x = -120 Simplifying x = -120

Subproblem 2

Set the factor '(70 + x)' equal to zero and attempt to solve: Simplifying 70 + x = 0 Solving 70 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-70' to each side of the equation. 70 + -70 + x = 0 + -70 Combine like terms: 70 + -70 = 0 0 + x = 0 + -70 x = 0 + -70 Combine like terms: 0 + -70 = -70 x = -70 Simplifying x = -70

Solution

x = {-120, -70}

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