Simplify 1^3 to 1
2 × -1 - 3 × -1^2 + 7
Simplify 1^2 to 1
2 × -1 - 3 × -1 + 7
Simplify 2 × -1 to -2
-2 - 3 × -1 + 7
Simplify 3 × -1 to -3
-2 - (-3) + 7
Simplify brackets
-2 + 3 + 7
Simplify
8
