2(x+6)(4x-5)=0

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Solution for 2(x+6)(4x-5)=0 equation: 


Simplifying
2(x + 6)(4x + -5) = 0

Reorder the terms:
2(6 + x)(4x + -5) = 0

Reorder the terms:
2(6 + x)(-5 + 4x) = 0

Multiply (6 + x) * (-5 + 4x)
2(6(-5 + 4x) + x(-5 + 4x)) = 0
2((-5 * 6 + 4x * 6) + x(-5 + 4x)) = 0
2((-30 + 24x) + x(-5 + 4x)) = 0
2(-30 + 24x + (-5 * x + 4x * x)) = 0
2(-30 + 24x + (-5x + 4x2)) = 0

Combine like terms: 24x + -5x = 19x
2(-30 + 19x + 4x2) = 0
(-30 * 2 + 19x * 2 + 4x2 * 2) = 0
(-60 + 38x + 8x2) = 0

Solving
-60 + 38x + 8x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-30 + 19x + 4x2) = 0

Factor a trinomial.
2((-6 + -1x)(5 + -4x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-6 + -1x)' equal to zero and attempt to solve:

Simplifying
-6 + -1x = 0

Solving
-6 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '6' to each side of the equation.
-6 + 6 + -1x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -1x = 0 + 6
-1x = 0 + 6

Combine like terms: 0 + 6 = 6
-1x = 6

Divide each side by '-1'.
x = -6

Simplifying
x = -6

Subproblem 2
Set the factor '(5 + -4x)' equal to zero and attempt to solve:

Simplifying
5 + -4x = 0

Solving
5 + -4x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + -4x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -4x = 0 + -5
-4x = 0 + -5

Combine like terms: 0 + -5 = -5
-4x = -5

Divide each side by '-4'.
x = 1.25

Simplifying
x = 1.25
Solution
x = {-6, 1.25}

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