=a^2-b^2

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Solution for =a^2-b^2 equation: 


Simplifying
0 = a2 + -1b2

Solving
0 = a2 + -1b2

Solving for variable 'a'.

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

Add '-1a2' to each side of the equation.
0 + -1a2 = a2 + -1a2 + -1b2
Remove the zero:
-1a2 = a2 + -1a2 + -1b2

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

Divide each side by '-1'.
a2 = b2

Simplifying
a2 = b2

Take the square root of each side:
a = {-1b, b}

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