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If a,b,c are different from 0, a is different from c and (a2+b2)/(b2+c2)=a/c. Prove a2+b2+c2 cannot be a composite number
How can I find the answers to these:
x2 + y2 = 29
y - x = 3
I can do these when there's no ^2 terms by cancelling by now I'm confused