(7x+9)(3x-8)=

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Solution for (7x+9)(3x-8)= equation: 


Simplifying
(7x + 9)(3x + -8) = 0

Reorder the terms:
(9 + 7x)(3x + -8) = 0

Reorder the terms:
(9 + 7x)(-8 + 3x) = 0

Multiply (9 + 7x) * (-8 + 3x)
(9(-8 + 3x) + 7x * (-8 + 3x)) = 0
((-8 * 9 + 3x * 9) + 7x * (-8 + 3x)) = 0
((-72 + 27x) + 7x * (-8 + 3x)) = 0
(-72 + 27x + (-8 * 7x + 3x * 7x)) = 0
(-72 + 27x + (-56x + 21x2)) = 0

Combine like terms: 27x + -56x = -29x
(-72 + -29x + 21x2) = 0

Solving
-72 + -29x + 21x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -7x)(8 + -3x) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(8 + -3x)' equal to zero and attempt to solve:

Simplifying
8 + -3x = 0

Solving
8 + -3x = 0

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

Add '-8' to each side of the equation.
8 + -8 + -3x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -3x = 0 + -8
-3x = 0 + -8

Combine like terms: 0 + -8 = -8
-3x = -8

Divide each side by '-3'.
x = 2.666666667

Simplifying
x = 2.666666667
Solution
x = {-1.285714286, 2.666666667}

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