Question

Please help and show all workings

If
`ac^3+bx^2+c` is divided by (x-3) then the remainder is:


Silly answers will not be tolerated

Answer 1

27a + 9b + c is reminder

Explanation:

Remainder theorem says that when p(x) is divided by (x – a) the remainder is given

by p(a)

Let p(x) = ax³ + bx²+ c

P(x) when divided by (x – 3)

Using Remainder theorem, we have

Remainder = p(3) = a(3³) + b(3²) +c

= 27a + 9b + c