Question

If `x=-2, y=5,` and `z=3`, what is `x^4-5y+2(x-z)^2`?

Answer 1

`41`

Explanation:

`x^4 - 5y + 2(x - z)^2 = (-2)^4 - 5(5) + 2((-2) - 3)^2`

`= 16 - 25 + 2(-5)^2`

`= -9 + 2(25)`

`= -9 + 50`

`= 41`