Question

how to take k +1 common in
k3+18k2+3k+2

Answer 1

k^3 + k^2 + 17k^2 + 17k -14k -14 + 16
k^2(k+1) + 17k(k+1) -14(k+1) + 16
(k+1)(k^2 + 17k - 14) + 16

so in case you are looking for k+1 to be one of the factors you cannot