First do 3 times 2 which is 6
That we need two numbers that multiple to get 6 and add to get 7
1 and 6
So then we plug them in
(3x^2+6x)(1x+2)
Then we take out what we can
3x(x+2)1(x+2)
Then we check to make sure the parenthesis are the same
They are so we re write
ANSWER
(3x+1)(x+2)