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

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


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

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

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

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

Combine like terms: -25x + 24x = -1x
(-20 + -1x + 30x2) = 0

Solving
-20 + -1x + 30x2 = 0

Solving for variable 'x'.

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


Subproblem 1
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

Subproblem 2
Set the factor '(5 + -6x)' equal to zero and attempt to solve:

Simplifying
5 + -6x = 0

Solving
5 + -6x = 0

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

Add '-5' to each side of the equation.
5 + -5 + -6x = 0 + -5

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

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

Divide each side by '-6'.
x = 0.8333333333

Simplifying
x = 0.8333333333
Solution
x = {-0.8, 0.8333333333}

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