(6y+6)(2y-4)
Apply the distributive property.
6y(2y-4)+6(2y-4)
Apply the distributive property.
6y(2y)+6y⋅-4+6(2y-4)
Apply the distributive property.
6y(2y)+6y⋅-4+6(2y)+6⋅-4
6y(2y)+6y⋅-4+6(2y)+6⋅-4
Simplify each term.
Multiply y by y.
6⋅2y2+6y⋅-4+6(2y)+6⋅-4
Multiply 6 by 2.
12y2+6y⋅-4+6(2y)+6⋅-4
Multiply -4 by 6.
12y2-24y+6(2y)+6⋅-4
Multiply 2 by 6.
12y2-24y+12y+6⋅-4
Multiply 6 by -4.
12y2-24y+12y-24
12y2-24y+12y-24
Add -24y and 12y.
12y2-12y-24
12y2-12y-24
Simplify (6y+6)(2y-4)