8w^2+1w+2-(2w^2-3w+7)

Simplify the expression by combining like terms:

8w^2 + 1w + 2 - (2w^2 - 3w + 7)
= 8w^2 + 1w + 2 - 2w^2 + 3w - 7
= 6w^2 + 4w - 5

So, the simplified expression is 6w^2 + 4w - 5.