(9x-5)(3x+7)=0

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Solution for (9x-5)(3x+7)=0 equation: 


Simplifying
(9x + -5)(3x + 7) = 0

Reorder the terms:
(-5 + 9x)(3x + 7) = 0

Reorder the terms:
(-5 + 9x)(7 + 3x) = 0

Multiply (-5 + 9x) * (7 + 3x)
(-5(7 + 3x) + 9x * (7 + 3x)) = 0
((7 * -5 + 3x * -5) + 9x * (7 + 3x)) = 0
((-35 + -15x) + 9x * (7 + 3x)) = 0
(-35 + -15x + (7 * 9x + 3x * 9x)) = 0
(-35 + -15x + (63x + 27x2)) = 0

Combine like terms: -15x + 63x = 48x
(-35 + 48x + 27x2) = 0

Solving
-35 + 48x + 27x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -3x)(5 + -9x) = 0


Subproblem 1
Set the factor '(-7 + -3x)' equal to zero and attempt to solve:

Simplifying
-7 + -3x = 0

Solving
-7 + -3x = 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 + -3x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -3x = 0 + 7
-3x = 0 + 7

Combine like terms: 0 + 7 = 7
-3x = 7

Divide each side by '-3'.
x = -2.333333333

Simplifying
x = -2.333333333

Subproblem 2
Set the factor '(5 + -9x)' equal to zero and attempt to solve:

Simplifying
5 + -9x = 0

Solving
5 + -9x = 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 + -9x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -9x = 0 + -5
-9x = 0 + -5

Combine like terms: 0 + -5 = -5
-9x = -5

Divide each side by '-9'.
x = 0.5555555556

Simplifying
x = 0.5555555556
Solution
x = {-2.333333333, 0.5555555556}

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