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3x2 − y3 − y3 − z if x = 3, y = −2, and z = −5.
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3x2 − y3 − y3 − z if x = 3, y = −2, and z = −5.

User Jaffer
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Plug in each variable:
3(3)²-(-2)³-(-2)³-(-5)
3(9)-(-8)-(-8)+5
27+21
The answer is 48
User Itamarb
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