Question

Evaluate −x^2−5 y^3 when x = 4 and y = 1

Answer 1

Simplify:

`-4^2-5(1^3)`

So you get:

`-21\\`

Answer 2

`\huge\boxed{-21}`

Explanation:

-x²-5y³

Given that x = 4, y = 1

`-(4)^2-5(1)^3`

`-16-5(1)\\-16-5\\-21`