Question

find the reminder when x3-bx2+8x-b is divided by (x-b)​

Answer 1

Answer:

7b

Step-by-step explanation:

x-b = 0

=> x = b

p(x) = x³-bx²+8x-b

Substituting b at place of x,

p(b) = b³ - b(b)² + 8b - b = b³-b³+7b = 7b

Hence, the remainder is 7b.