Question

How do you simplify `-2x (x - y - 4) + y (6x - 2y + 3)`?

Answer 1

I found:
`-2x^2-2y^2+8xy+8x+3y`

Explanation:

Start by multiplying to get rid of the brackets:
`=-2x^2+2xy+8x+6xy-2y^2+3y=`
Now collect similar terms (for example terms with `xy`):
`=-2x^2-2y^2+8xy+8x+3y`