Question

X3 − 2y2 − 3x3 + z4 if x = 3, y = 5, and z = −3

Answer 1

X³ - 2y² - 3x³ +z^4
(substitute the values)

3³ - 2(5)² - 3(3)³ + (-3)^4
27 - 10² - 9³ + 81
27 - 100 - 729 + 81
-73 - 648
-721

So, the answer is -721

HOPE THIS HELPS!!!!

Answer 2

9 - 10 - 27 + -12 = -40