factor 4a² + 4b²

I got the answer 4(a+b)(a+b) , but I don't know if it's right.
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1 Answer

4(a²+b²) is as far as you can take it without involving complex numbers.

Complex solution is: 4(a+ib)(a-ib) where i is the imaginary square root of -1.

by Top Rated User (1.1m points)

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