(g*g)-91=9

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Solution for (g*g)-91=9 equation: 


Simplifying
(g * g) + -91 = 9

Multiply g * g
(g2) + -91 = 9
g2 + -91 = 9

Reorder the terms:
-91 + g2 = 9

Solving
-91 + g2 = 9

Solving for variable 'g'.

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

Add '91' to each side of the equation.
-91 + 91 + g2 = 9 + 91

Combine like terms: -91 + 91 = 0
0 + g2 = 9 + 91
g2 = 9 + 91

Combine like terms: 9 + 91 = 100
g2 = 100

Simplifying
g2 = 100

Take the square root of each side:
g = {-10, 10}

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