Use the rule for order of operations to simplify the expression as much as possible:

`-3+2(-2+8) =`

Use the rule for order of operations to simplify the expression as much as possible:

`7(-6+10) + 4(-5+6) =`

Use the rule for order of operations to simplify the expression as much as possible:

`8+(-28)-:7+2(1) =`