Question

c cubed+20c squared+100c

Answer 1

if you need to factor it then start by taking out c as a common factor

\[c^3 + 20c^2 + 100c = c(c^2 + 20c + 100)\]

all you need to do is factorise the quadratic

Answer 2

i know that much

Answer 3

do you know of 2 factors of 100 that add to 20...?