Question

Check whether (x – 1) is a factor of 7x3 + 2x2 – x + 8.

Answer 1

Step-by-step explanation:

hgvvvvvg Dr ff CT gvvxghnbv

Answer 2

Answer:

(x-1) is a factor

then x-1=0

x=1

putting value of x in p(x)

p(x)= 7x³+2x²-x+8

p(1)= 7(1)³+2(1)²-(1)+8

7(1)³+2(1)²-1+8=0

7+2-1+8=0

9+7=0

16≠0

LHS≠RHS

Therefore (x-1) is not a factor.