Math, asked by sahoosubham799, 4 months ago

3.Find the value of the polynomial 3x^4 +2x^3-x^2+7x-5 at x=-2​

Answers

Answered by MishuRathore
1

Answer:

3x^4+2x^3-x^2+7x-5

3×2^4+2×2^3-2^2+7×2-5

3×16+ 2×8-4+14-5

48+16-4+14-5

78-9

71

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