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PLEASE EXPLAIN YOUR ANSWER


Evaluate the following expression using the values given:


3x^2 - y^3 - y ^3 - z


X= 3

Y= -2

Z= -5

1 Answer

7 votes

So firstly, plug in the values into the equation:
3*3^2-(-2)^3-(-2)^3-(-5)

Next, solve the exponents:
3*9-(-8)-(-8)-(-5)

Next, solve the multiplication:
27-(-8)-(-8)-(-5)

Lastly, combine everything and your answer will be 48.

User Munkee
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