Question

If (x+1) and (x+2) are factors of the polynomial p(x) x^4+3x-7x^2-27x-18

Answer 1

Step-by-step explanation:

(x+1)

x= -1

Now,

x⁴+3x-7x²-27x-18

= (-1)⁴+ 3×(-1) -7× (-1)² -27×(-1)-18

= -1 -1-7+27-18

= -9+9

= 0

Hence,(x+1) is factor of the polynomial p(x) x⁴+3x-7x²-27x-18..