Answer:
I'll do number 11 for you so that you can understand, and do the rest on your own.
Step-by-step explanation:
Number 11 asks to factor x^2+3x+2.
So you have to find a number that multiples to equal 2, but adds to equal 3.
You know that when you multiply 2 and 1 you get 2, and when you add 2 and 1, you get 3.
So, it would be factored into (x+2)(x+1)
