Question

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

Answer 1

45

Explanation:

-5x^2 - y^3 when x = -4 and x = -5

~Substitute

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

~Simplify

-5(16) - (-125)

-80 + 125

45

Best of Luck!