Question

2 questions on Polynomials. Can i get some help???

Answer 1

please ask :)

Answer 2

There

Answer 3

first one:
(x+5)(2x-4)=2x^2+6x-20

Answer 4

second one:
(x-3)^2+(x-3)^2/4+(x-3)^2/16+....=(x-3)^2*(1+1/4+1/16....)=4*(x-3)^2/3
ok??

Answer 5

Yes :)