Find each function value.

h(x) = x^2 - 8x + 1

h(-1) plug in

My answer is 8.
The correct answer is 10 ? I don't how the answer is 10

h(x) = x^2 - 8x + 1

h(-1) = (-1)^2 - 8(-1) + 1
= 1 + 8 + 1
= 10