49+b^2=81

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Solution for 49+b^2=81 equation: 


Simplifying
49 + b2 = 81

Solving
49 + b2 = 81

Solving for variable 'b'.

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

Add '-49' to each side of the equation.
49 + -49 + b2 = 81 + -49

Combine like terms: 49 + -49 = 0
0 + b2 = 81 + -49
b2 = 81 + -49

Combine like terms: 81 + -49 = 32
b2 = 32

Simplifying
b2 = 32

Take the square root of each side:
b = {-5.656854249, 5.656854249}

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