7x^2-9x-8=-8

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Solution for 7x^2-9x-8=-8 equation: 


Simplifying
7x2 + -9x + -8 = -8

Reorder the terms:
-8 + -9x + 7x2 = -8

Add '8' to each side of the equation.
-8 + -9x + 8 + 7x2 = -8 + 8

Reorder the terms:
-8 + 8 + -9x + 7x2 = -8 + 8

Combine like terms: -8 + 8 = 0
0 + -9x + 7x2 = -8 + 8
-9x + 7x2 = -8 + 8

Combine like terms: -8 + 8 = 0
-9x + 7x2 = 0

Solving
-9x + 7x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-9 + 7x) = 0


Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0

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, 1.285714286}

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