Question

factoring: 4a^4+b^4

Answer 1

(2 a^2-2 a b+b^2) (2 a^2+2 a b+b^2)

Answer 2

just add 4a^2b^2 and minus 4a^2b^2

Answer 3

\[ \left(2 a^2-2 a b+b^2\right) \left(2 a^2+2 a b+b^2\right) \]

Answer 4

why is it negative?

Answer 5

what is negative?

Answer 6

X^2-Y^2=(X+Y)(X-Y)

Answer 7

now i understand :) thank you :)

Answer 8

haha :)