Question

Divide 2 x cubed plus 5 x squared plus 7 x plus 1 by 2 x plus 1

Answer 1

Step-by-step explanation:

(2x³+5x²+7x+1 ) /(2x+1)

use remainder theorm

2x + 1 = 0

x = -1/2

put the value of x in equation

2(-1/2)³+5(-1/2)²+7(-1/2)+1

-3/2 remainder