3(4x-1)(4x+3)=0

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Solution for 3(4x-1)(4x+3)=0 equation: 


Simplifying
3(4x + -1)(4x + 3) = 0

Reorder the terms:
3(-1 + 4x)(4x + 3) = 0

Reorder the terms:
3(-1 + 4x)(3 + 4x) = 0

Multiply (-1 + 4x) * (3 + 4x)
3(-1(3 + 4x) + 4x * (3 + 4x)) = 0
3((3 * -1 + 4x * -1) + 4x * (3 + 4x)) = 0
3((-3 + -4x) + 4x * (3 + 4x)) = 0
3(-3 + -4x + (3 * 4x + 4x * 4x)) = 0
3(-3 + -4x + (12x + 16x2)) = 0

Combine like terms: -4x + 12x = 8x
3(-3 + 8x + 16x2) = 0
(-3 * 3 + 8x * 3 + 16x2 * 3) = 0
(-9 + 24x + 48x2) = 0

Solving
-9 + 24x + 48x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-3 + 8x + 16x2) = 0

Factor a trinomial.
3((-3 + -4x)(1 + -4x)) = 0

Ignore the factor 3.

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 '(1 + -4x)' equal to zero and attempt to solve:

Simplifying
1 + -4x = 0

Solving
1 + -4x = 0

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

Add '-1' to each side of the equation.
1 + -1 + -4x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -4x = 0 + -1
-4x = 0 + -1

Combine like terms: 0 + -1 = -1
-4x = -1

Divide each side by '-4'.
x = 0.25

Simplifying
x = 0.25
Solution
x = {-0.75, 0.25}

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