find the product of 3x-2 and 2x^2 +11x-6
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Explanation:
In the given polynomial f(x)=2x
3
+3x
2
−11x+6, substitute x=−1 as shown below:
f(−1)=(2×(−1)
3
)+(3×(−1)
2
)−(11×(−1))+6=(2×−1)+(3×1)+11+6=−2+3+11+6
=−2+20
=18
Hence, f(−1)=18.
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