Question

c^2+5c+9c+45 factor

Answer 1

c^2 + 5c = c(c+5)
9c + 45 = 9(c+5)
hope it helps now..

Answer 2

Just take out the common factor and group the other terms, do the same in the next step and you'll get the answer :)
c^2+5c+9c+45
= c(c+5) + 9(c+5)
= (c+9)(c+5)