Question

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

Answer 1

Answer:

find the value of the polynomial 3x^(3)-4x^(2)+7x-5, , when x=3 and also when x=-3. Hence , the value of the given polynomial at x=3 and x=-3 are 61 and -143 , respectively.

Answer 2

Answer:

3(3) -4(3) ×2+7(3)-5= 9-12×2+21-5=9-24+21=-15+21=4