How do you factor # 3x^2+7x+2#?
Both 3 and 2 are prime numbers, so there are not many options..
We need the factors of 3 and 2 which add together to make 7.
All the signsare positive.
The only possible combinations are:
Choose factors and cross multiply to get 7.
The top row is the one bracket.
The bottom row is the other bracket.
Verify that these are correct by multiplying out the brackets.