49+a^2=121

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Solution for 49+a^2=121 equation: 


Simplifying
49 + a2 = 121

Solving
49 + a2 = 121

Solving for variable 'a'.

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

Add '-49' to each side of the equation.
49 + -49 + a2 = 121 + -49

Combine like terms: 49 + -49 = 0
0 + a2 = 121 + -49
a2 = 121 + -49

Combine like terms: 121 + -49 = 72
a2 = 72

Simplifying
a2 = 72

Take the square root of each side:
a = {-8.485281374, 8.485281374}

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