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

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


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

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

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

Multiply (-5 + 3x) * (-7 + 9x)
(-5(-7 + 9x) + 3x * (-7 + 9x)) = 0
((-7 * -5 + 9x * -5) + 3x * (-7 + 9x)) = 0
((35 + -45x) + 3x * (-7 + 9x)) = 0
(35 + -45x + (-7 * 3x + 9x * 3x)) = 0
(35 + -45x + (-21x + 27x2)) = 0

Combine like terms: -45x + -21x = -66x
(35 + -66x + 27x2) = 0

Solving
35 + -66x + 27x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(7 + -9x)' equal to zero and attempt to solve:

Simplifying
7 + -9x = 0

Solving
7 + -9x = 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 + -9x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -9x = 0 + -7
-9x = 0 + -7

Combine like terms: 0 + -7 = -7
-9x = -7

Divide each side by '-9'.
x = 0.7777777778

Simplifying
x = 0.7777777778

Subproblem 2
Set the factor '(5 + -3x)' equal to zero and attempt to solve:

Simplifying
5 + -3x = 0

Solving
5 + -3x = 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 + -3x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -3x = 0 + -5
-3x = 0 + -5

Combine like terms: 0 + -5 = -5
-3x = -5

Divide each side by '-3'.
x = 1.666666667

Simplifying
x = 1.666666667
Solution
x = {0.7777777778, 1.666666667}

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