Question

How do you FOIL `(3y+ - 2)(2y+ - 4)`?

Answer 1

How to foil :

`(a+b)(c+d)=ac+ad+bc+bd`

Thus :

`(3y-2)(2y-4)=3y*2y+3y*(-4)+(-2)*2y+(-2)(-4)`

`=6y²-12y-4y+8=6y²-16y+8`

You can factorize by `2` : `=2*(3y²-8y+4)`