A^2-a^2=13

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Solution for A^2-a^2=13 equation: 


Simplifying
A2 + -1a2 = 13

Solving
A2 + -1a2 = 13

Solving for variable 'A'.

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

Add 'a2' to each side of the equation.
A2 + -1a2 + a2 = 13 + a2

Combine like terms: -1a2 + a2 = 0
A2 + 0 = 13 + a2
A2 = 13 + a2

Simplifying
A2 = 13 + a2

Reorder the terms:
-13 + A2 + -1a2 = 13 + a2 + -13 + -1a2

Reorder the terms:
-13 + A2 + -1a2 = 13 + -13 + a2 + -1a2

Combine like terms: 13 + -13 = 0
-13 + A2 + -1a2 = 0 + a2 + -1a2
-13 + A2 + -1a2 = a2 + -1a2

Combine like terms: a2 + -1a2 = 0
-13 + A2 + -1a2 = 0

The solution to this equation could not be determined.

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