Question

Without actual division, find the remainder when 3x4 + 4x3 – 10x2 – 5x – 8 is divided by x + 7

Answer 1

Step-by-step explanation:

Given :-$\rm{3x}^{4} + {4x}^{3} - {10x}^{2} - 5x - 8$ divided by x+7.

To find:- remainder

Solution :-

Let $\rm f(x)={3x}^{4} + {4x}^{3} - {10x}^{2} - 5x - 8$

and x+7=0

→ x= -7

Putting value of x.