(2x+40)*(x+6)=4x^2

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Solution for (2x+40)*(x+6)=4x^2 equation:


Simplifying
(2x + 40)(x + 6) = 4x2

Reorder the terms:
(40 + 2x)(x + 6) = 4x2

Reorder the terms:
(40 + 2x)(6 + x) = 4x2

Multiply (40 + 2x) * (6 + x)
(40(6 + x) + 2x * (6 + x)) = 4x2
((6 * 40 + x * 40) + 2x * (6 + x)) = 4x2
((240 + 40x) + 2x * (6 + x)) = 4x2
(240 + 40x + (6 * 2x + x * 2x)) = 4x2
(240 + 40x + (12x + 2x2)) = 4x2

Combine like terms: 40x + 12x = 52x
(240 + 52x + 2x2) = 4x2

Solving
240 + 52x + 2x2 = 4x2

Solving for variable 'x'.

Combine like terms: 2x2 + -4x2 = -2x2
240 + 52x + -2x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
240 + 52x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(120 + 26x + -1x2) = 0

Factor a trinomial.
2((30 + -1x)(4 + x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(30 + -1x)' equal to zero and attempt to solve: Simplifying 30 + -1x = 0 Solving 30 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + -1x = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -1x = 0 + -30 -1x = 0 + -30 Combine like terms: 0 + -30 = -30 -1x = -30 Divide each side by '-1'. x = 30 Simplifying x = 30

Subproblem 2

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {30, -4}

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