Question

Evaluate the following expression using the values given:

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

Answer 1

3x - 4y - 9x + 4z
3(3) - 4(5) - 9(3) + 4(-3)
= 9 - 20 - 27 - 12
= -50