Question

Find the remainder when f(x)= 8x^3+ 4x^2
13x + 3 is divided by 2x + 5.

Answer 1

-129

Explanation:

2x+5=0

x=-5/2 [By the remainder theorem]

f(-5/2)=8(-5/2)^3+4(-5/2)^2+13(-5/2)+3

=-125+25-65/2+3

=-129.