PLEASE HELP MEEE I'm failing and I need to pass:(

Answer:
girl/boy use photomath if ur failing or just use these.
Step-by-step explanation:
11. 5x^2-6x-12
12. 2x(4y+5x)
13.3y^2+16xy
if you need the rest use photomath I am sure it will come to the same answers I got.