Question

-3x^2+2xy-y^3 for x = 5 and y = -1

Answer 1

The answer would be 66

Answer 2

Explanation:

Evaluate for x=5,y=−1

−3(5^2)+(2)(5)(−1)−(−1)^3

−3(5^2)+(2)(5)(−1)−(−1)^3

=−84