when X= -1, what is the value of polynomial
2x^3+2x?
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Answered by
4
Answer:
-4 is the answer pf this polynomial
Answered by
18
2 x x³ + 2x
2x -1³ + 2x-1
2 x -1 + -2
-2 + -2
-2 - 2
= -4
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