2(2x-7)(4x+3)=0

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Solution for 2(2x-7)(4x+3)=0 equation: 


Simplifying
2(2x + -7)(4x + 3) = 0

Reorder the terms:
2(-7 + 2x)(4x + 3) = 0

Reorder the terms:
2(-7 + 2x)(3 + 4x) = 0

Multiply (-7 + 2x) * (3 + 4x)
2(-7(3 + 4x) + 2x * (3 + 4x)) = 0
2((3 * -7 + 4x * -7) + 2x * (3 + 4x)) = 0
2((-21 + -28x) + 2x * (3 + 4x)) = 0
2(-21 + -28x + (3 * 2x + 4x * 2x)) = 0
2(-21 + -28x + (6x + 8x2)) = 0

Combine like terms: -28x + 6x = -22x
2(-21 + -22x + 8x2) = 0
(-21 * 2 + -22x * 2 + 8x2 * 2) = 0
(-42 + -44x + 16x2) = 0

Solving
-42 + -44x + 16x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-21 + -22x + 8x2) = 0

Factor a trinomial.
2((-3 + -4x)(7 + -2x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-3 + -4x)' equal to zero and attempt to solve:

Simplifying
-3 + -4x = 0

Solving
-3 + -4x = 0

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

Add '3' to each side of the equation.
-3 + 3 + -4x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -4x = 0 + 3
-4x = 0 + 3

Combine like terms: 0 + 3 = 3
-4x = 3

Divide each side by '-4'.
x = -0.75

Simplifying
x = -0.75

Subproblem 2
Set the factor '(7 + -2x)' equal to zero and attempt to solve:

Simplifying
7 + -2x = 0

Solving
7 + -2x = 0

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

Add '-7' to each side of the equation.
7 + -7 + -2x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -2x = 0 + -7
-2x = 0 + -7

Combine like terms: 0 + -7 = -7
-2x = -7

Divide each side by '-2'.
x = 3.5

Simplifying
x = 3.5
Solution
x = {-0.75, 3.5}

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