81a^2-90ab+25b^2-16=0

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Solution for 81a^2-90ab+25b^2-16=0 equation: 


Simplifying
81a2 + -90ab + 25b2 + -16 = 0

Reorder the terms:
-16 + -90ab + 81a2 + 25b2 = 0

Solving
-16 + -90ab + 81a2 + 25b2 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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