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3x^2-y^3-y^3-z , x=3 , y=-2 , z=-5 please help me with this question , thank you

3x^2-y^3-y^3-z , x=3 , y=-2 , z=-5 please help me with this question , thank you
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2 votes
3x^2-y^3-y^3-z , x=3 , y=-2 , z=-5 please help me with this question , thank you

User Tfayyaz
by
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1 Answer

4 votes
3x^2 - y^3 - y^3 - z = 3x^2 - 2y^3 - z = 3(3)^2 - 2(-2)^3 - (-5) = 3(9) - 2(-8) + 5 = 27 + 16 + 5 = 48
User Nostromo
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