Question

mul (y+3)(y-5)

Answer 1

y^2-2y-15
this one is pretty easy..do you get how to do it?

Answer 2

(y+3)(y-5)
FOIL
1.First Numbers,
2.Outer Numbers,
3.Inner Numbers,
4.Last Numbers.

1. Multiply y and y. Get y^2.
2. Multiply y and -5. Get -5y.
3. Multi. 3 by y, Get 3y.
4. Multi. -5 by 3. Get -15.
Total : y^2-5y+3y-15.
Combine Like Terms :

y^2-2y-15. :D

Answer 3

omg yes you guy are really helping my and that foil tip was pretty cool