Question

What is the answer to (y+2y-6)+(2y-4)

Answer 1

You FOIL (First, Outer, Inner, Last)
If you FOIL, you should get 2y^2 - 4y + 4y^2 - 8y +12y -24

Answer 2

$(y + 2y - 6) + (2y - 4)$

1. Substitute '1' for 'y'

$(1y + 2y - 6) + (2y - 4)$

$3y - 6 + 2y - 4$

2. Combine like terms

$3y + 2y - 6 + 4$

Answer: $5y - 10$