(4x-6)(5x+7)=0

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Solution for (4x-6)(5x+7)=0 equation: 


Simplifying
(4x + -6)(5x + 7) = 0

Reorder the terms:
(-6 + 4x)(5x + 7) = 0

Reorder the terms:
(-6 + 4x)(7 + 5x) = 0

Multiply (-6 + 4x) * (7 + 5x)
(-6(7 + 5x) + 4x * (7 + 5x)) = 0
((7 * -6 + 5x * -6) + 4x * (7 + 5x)) = 0
((-42 + -30x) + 4x * (7 + 5x)) = 0
(-42 + -30x + (7 * 4x + 5x * 4x)) = 0
(-42 + -30x + (28x + 20x2)) = 0

Combine like terms: -30x + 28x = -2x
(-42 + -2x + 20x2) = 0

Solving
-42 + -2x + 20x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-21 + -1x + 10x2) = 0

Factor a trinomial.
2((-7 + -5x)(3 + -2x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-7 + -5x)' equal to zero and attempt to solve:

Simplifying
-7 + -5x = 0

Solving
-7 + -5x = 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 + -5x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -5x = 0 + 7
-5x = 0 + 7

Combine like terms: 0 + 7 = 7
-5x = 7

Divide each side by '-5'.
x = -1.4

Simplifying
x = -1.4

Subproblem 2
Set the factor '(3 + -2x)' equal to zero and attempt to solve:

Simplifying
3 + -2x = 0

Solving
3 + -2x = 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 + -2x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = 0 + -3
-2x = 0 + -3

Combine like terms: 0 + -3 = -3
-2x = -3

Divide each side by '-2'.
x = 1.5

Simplifying
x = 1.5
Solution
x = {-1.4, 1.5}

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