(5x-5)(3x+4)=0

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Solution for (5x-5)(3x+4)=0 equation: 


Simplifying
(5x + -5)(3x + 4) = 0

Reorder the terms:
(-5 + 5x)(3x + 4) = 0

Reorder the terms:
(-5 + 5x)(4 + 3x) = 0

Multiply (-5 + 5x) * (4 + 3x)
(-5(4 + 3x) + 5x * (4 + 3x)) = 0
((4 * -5 + 3x * -5) + 5x * (4 + 3x)) = 0
((-20 + -15x) + 5x * (4 + 3x)) = 0
(-20 + -15x + (4 * 5x + 3x * 5x)) = 0
(-20 + -15x + (20x + 15x2)) = 0

Combine like terms: -15x + 20x = 5x
(-20 + 5x + 15x2) = 0

Solving
-20 + 5x + 15x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-4 + x + 3x2) = 0

Factor a trinomial.
5((-4 + -3x)(1 + -1x)) = 0

Ignore the factor 5.

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

Simplifying
-4 + -3x = 0

Solving
-4 + -3x = 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 + -3x = 0 + 4

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

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

Divide each side by '-3'.
x = -1.333333333

Simplifying
x = -1.333333333

Subproblem 2
Set the factor '(1 + -1x)' equal to zero and attempt to solve:

Simplifying
1 + -1x = 0

Solving
1 + -1x = 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 + -1x = 0 + -1

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

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

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

Simplifying
x = 1
Solution
x = {-1.333333333, 1}

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