(7x-9)(x-8)=0

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Solution for (7x-9)(x-8)=0 equation: 


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

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

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

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

Combine like terms: -9x + -56x = -65x
(72 + -65x + 7x2) = 0

Solving
72 + -65x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(9 + -7x)(8 + -1x) = 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 + -1x)' equal to zero and attempt to solve:

Simplifying
8 + -1x = 0

Solving
8 + -1x = 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 + -1x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 0 + -8
-1x = 0 + -8

Combine like terms: 0 + -8 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8
Solution
x = {1.285714286, 8}

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