3(a²+b)-4(a²-b)
do i just distribute?
Yeah, you baisicallly just distriubte,
3(a2+b) - 4(a2-b)
=
(a2 x 3+b) - (a2 x 4 - b)
:D
You should distribute to a and b.
3(a²+b)-4(a²-b) =
a^2(3 - 4) + b(3 +4) =
-a^2 + 7b
