2 find the value of the polynomia 2x - 2x³ + 7
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consider x value -1
p(x)=2x−2x 3 +7
p(−1)=2×(−1)−2×(−1) 3 +7
=−2−2×(−1)+7
=−2+2+7
=7
Thus, the value of polynomial for x=−1 is 7
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