Question

Evaluate the following expression using the values given: Find 3x2 − y3 − y3 − z if x = 3, y = −2, and z = −5

Answer 1

3x2 − y3 − y3 − z

Given: x = 3, y = -2, z = -5

Substituting the values:

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

Simplify. Be very careful with signs and exponents.