Question

check wearher (2x+1) is a factor of 4x³+4x²-x-1 or not​

Answer 1

Answer:

yes, 2x+1 is a factor

Step-by-step explanation:

if 2x +1is a factor, then, 2x+1=0

2x=-1, x= -1/2

p(x)= 4(-1/2)^3+4(-1/2)^2-(-1/2)-1= 4*-1/8+4*1/4+1/2-1

= -4*1/8+4/4+1/2-1= -1/2+1+1/2-1=0

so, 2x+1 is a factor