please answer pleaseeee
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Answered by
1
Step-by-step explanation:
x = 3
3(3)^3 - 5(3)^2 + 2(3) - 11
= 3 (27) - 45 + 6 - 11
= 81 - 45 + 6 - 11
= 87 - 56
= 31
Answered by
1
Answer:
3(3)^3-5(3)^2+2*3-11
27*3-5*9+6-11
71-45+6-11
26-5
21=Ans
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