g^2+21=70

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Solution for g^2+21=70 equation: 


Simplifying
g2 + 21 = 70

Reorder the terms:
21 + g2 = 70

Solving
21 + g2 = 70

Solving for variable 'g'.

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

Add '-21' to each side of the equation.
21 + -21 + g2 = 70 + -21

Combine like terms: 21 + -21 = 0
0 + g2 = 70 + -21
g2 = 70 + -21

Combine like terms: 70 + -21 = 49
g2 = 49

Simplifying
g2 = 49

Take the square root of each side:
g = {-7, 7}

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