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

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


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

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

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

Multiply (-4 + 5x) * (6 + 5x)
(-4(6 + 5x) + 5x * (6 + 5x)) = 0
((6 * -4 + 5x * -4) + 5x * (6 + 5x)) = 0
((-24 + -20x) + 5x * (6 + 5x)) = 0
(-24 + -20x + (6 * 5x + 5x * 5x)) = 0
(-24 + -20x + (30x + 25x2)) = 0

Combine like terms: -20x + 30x = 10x
(-24 + 10x + 25x2) = 0

Solving
-24 + 10x + 25x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(-6 + -5x)' equal to zero and attempt to solve:

Simplifying
-6 + -5x = 0

Solving
-6 + -5x = 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 + -5x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -5x = 0 + 6
-5x = 0 + 6

Combine like terms: 0 + 6 = 6
-5x = 6

Divide each side by '-5'.
x = -1.2

Simplifying
x = -1.2

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

Simplifying
4 + -5x = 0

Solving
4 + -5x = 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 + -5x = 0 + -4

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

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

Divide each side by '-5'.
x = 0.8

Simplifying
x = 0.8
Solution
x = {-1.2, 0.8}

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