3k3-3k2-18k
Factor 3k out of 3k3.
3k(k2)-3k2-18k
Factor 3k out of -3k2.
3k(k2)+3k(-k)-18k
Factor 3k out of -18k.
3k(k2)+3k(-k)+3k(-6)
Factor 3k out of 3k(k2)+3k(-k).
3k(k2-k)+3k(-6)
Factor 3k out of 3k(k2-k)+3k(-6).
3k(k2-k-6)
3k(k2-k-6)
Factor k2-k-6 using the AC method.
Consider the form x2+bx+c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is -6 and whose sum is -1.
-3,2
Write the factored form using these integers.
3k((k-3)(k+2))
3k((k-3)(k+2))
Remove unnecessary parentheses.
3k(k-3)(k+2)
3k(k-3)(k+2)
Factor 3k^3-3k^2-18k