find the value of polynomial 2x - 2x³+ 7 using the given value for x.
• x = 3
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Answer:
2x - 2xxx + 7
=2 (3) - 2 (3)(3)(3) + 7
=6 - 2×27 + 7
=6 - 54 + 7
=6 - 47
= -41
hope you understand the steps
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