Question

Let x = -4 ,Y = 6 and z = -1

Evaluate the expression to find F.
F = x2 -2xy +y2
please explain and answer

Answer 1

F = -4(2) - 2•-4•6 + 6(2)
F = -8 - -48 + 12
F = -8 - (-36)
-44

Answer 2

(-4)2-2(-4*6)+(6)2

The answer is f=52