a^2+b^2=81

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Solution for a^2+b^2=81 equation: 


Simplifying
a2 + b2 = 81

Solving
a2 + b2 = 81

Solving for variable 'a'.

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

Add '-1b2' to each side of the equation.
a2 + b2 + -1b2 = 81 + -1b2

Combine like terms: b2 + -1b2 = 0
a2 + 0 = 81 + -1b2
a2 = 81 + -1b2

Simplifying
a2 = 81 + -1b2

Reorder the terms:
-81 + a2 + b2 = 81 + -1b2 + -81 + b2

Reorder the terms:
-81 + a2 + b2 = 81 + -81 + -1b2 + b2

Combine like terms: 81 + -81 = 0
-81 + a2 + b2 = 0 + -1b2 + b2
-81 + a2 + b2 = -1b2 + b2

Combine like terms: -1b2 + b2 = 0
-81 + a2 + b2 = 0

The solution to this equation could not be determined.

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