Question

Hi help with two questions please! Just the highlighted bits

Answer 1

i have the answers if you need but I'm not sure how to do

Answer 2

what was the answer to part (i) of b? it says hence so use that answer in a way.

Answer 3

not sure about the second one but the first, sub in the roots of x=p and x=-4q (by remainder theorem) and make them equal to start with.

Answer 4

i did. but i get like \[\frac{ 12q+3p }{ p+4q } = p-4q\] and i'm not sure how to continue

Answer 5

factorise the LHS :D

Answer 6

For the second might be helpful to have starting root x = 1/3 might help.

Answer 7

ohhhhh yeah i can factorise thanks :D

Answer 8

The following are ways to write 25 percent of n except 0.25n,25n over 100, 1/4n ,25n