400+a^2=b^2

Solution for 400+a^2=b^2 equation:

Simplifying
400 + a2 = b2

Solving
400 + a2 = b2

Solving for variable 'a'.

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

Add '-400' to each side of the equation.
400 + -400 + a2 = -400 + b2

Combine like terms: 400 + -400 = 0
0 + a2 = -400 + b2
a2 = -400 + b2

Simplifying
a2 = -400 + b2

Reorder the terms:
400 + a2 + -1b2 = -400 + b2 + 400 + -1b2

Reorder the terms:
400 + a2 + -1b2 = -400 + 400 + b2 + -1b2

Combine like terms: -400 + 400 = 0
400 + a2 + -1b2 = 0 + b2 + -1b2
400 + a2 + -1b2 = b2 + -1b2

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

The solution to this equation could not be determined.