find the value of of the polynomial 3xcube - 4xsquare+ 7x-5 when x= 3
Answers
Answered by
2
Answer:
61
Explanation:
putting value of x in polynomial
3(3)^3-4(3)^2+7(3)-5
3×27-4×9+21-5
81-36+21-5
102-41
61
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