3.Find the value of the polynomial 3x^4 +2x^3-x^2+7x-5 at x=-2
Answers
Answered by
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
Similar questions