(6x-7)(9x+4)=0

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Solution for (6x-7)(9x+4)=0 equation: 


Simplifying
(6x + -7)(9x + 4) = 0

Reorder the terms:
(-7 + 6x)(9x + 4) = 0

Reorder the terms:
(-7 + 6x)(4 + 9x) = 0

Multiply (-7 + 6x) * (4 + 9x)
(-7(4 + 9x) + 6x * (4 + 9x)) = 0
((4 * -7 + 9x * -7) + 6x * (4 + 9x)) = 0
((-28 + -63x) + 6x * (4 + 9x)) = 0
(-28 + -63x + (4 * 6x + 9x * 6x)) = 0
(-28 + -63x + (24x + 54x2)) = 0

Combine like terms: -63x + 24x = -39x
(-28 + -39x + 54x2) = 0

Solving
-28 + -39x + 54x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -9x)(7 + -6x) = 0


Subproblem 1
Set the factor '(-4 + -9x)' equal to zero and attempt to solve:

Simplifying
-4 + -9x = 0

Solving
-4 + -9x = 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 + -9x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -9x = 0 + 4
-9x = 0 + 4

Combine like terms: 0 + 4 = 4
-9x = 4

Divide each side by '-9'.
x = -0.4444444444

Simplifying
x = -0.4444444444

Subproblem 2
Set the factor '(7 + -6x)' equal to zero and attempt to solve:

Simplifying
7 + -6x = 0

Solving
7 + -6x = 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 + -6x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -6x = 0 + -7
-6x = 0 + -7

Combine like terms: 0 + -7 = -7
-6x = -7

Divide each side by '-6'.
x = 1.166666667

Simplifying
x = 1.166666667
Solution
x = {-0.4444444444, 1.166666667}

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