Question

4) Expand and simplify the following as far as possible: (The
a) (a-b)(a+b)
d)
")
b) (x-3)(x+3) e) (24 – 264)(24 +264)
att
c) (20-3b)(2a +36)
1) (1+2x) (1 - 2x)​

Answer 1

Answer:

a (a+b ) +b(a+b)

a^2 +ab + ab+ b^2

a^2+2ab+b^2

like questions a all is same