What is the completely factored form of 3x^2-3x-18? Thanks!

1 Answer
M7chael
Oct 11, 2017

#3(x-3)(x+2)#

Explanation:

Start by factoring out the #3#:

#3(x^2-x-6)#

Now to find the factors of the trinomial in the parentheses we have to think of two numbers that add up to #-1# and multiply to #-6#:

These numbers are: #-3# and #2#

So then factored we have:

#3(x-3)(x+2)#

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