Question

if a^2 - b^2 = (a + b)(a - b)
does that mean a^2 + b^2 = (a - b)(a + b) ??

Thanks :)

Answer 1

no (a-b)(a+b) is this a^2-b^2

Answer 2

\[x*y=y*x\]So (a+b)(a-b) = (a-b)(a+b)

Answer 3

So it's the commutative law of multiplication?

Answer 4

Yep :)

Answer 5

thanks man :)