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

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


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

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

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

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

Combine like terms: 21x + -45x = -24x
(-27 + -24x + 35x2) = 0

Solving
-27 + -24x + 35x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(-3 + -5x)' equal to zero and attempt to solve:

Simplifying
-3 + -5x = 0

Solving
-3 + -5x = 0

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

Add '3' to each side of the equation.
-3 + 3 + -5x = 0 + 3

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

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

Divide each side by '-5'.
x = -0.6

Simplifying
x = -0.6

Subproblem 2
Set the factor '(9 + -7x)' equal to zero and attempt to solve:

Simplifying
9 + -7x = 0

Solving
9 + -7x = 0

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

Add '-9' to each side of the equation.
9 + -9 + -7x = 0 + -9

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

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

Divide each side by '-7'.
x = 1.285714286

Simplifying
x = 1.285714286
Solution
x = {-0.6, 1.285714286}

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