Factor the polynomial f (x) = x3 – 19x + 30 if x – 3 is a factor.

Question

asked Sep 26, 2021 129k views

2 Answers

Bimal Das · Answer 1 · 2021-10-03T17:15:43+0000

Answer:

Step-by-step explanation

By Using Synthetic Division Method:

3 1 0 -19 30

3 9 -30

1 3 -10 0

factorise: (x^2+3x-10)(x-3)

=(x+5)(x-2)(x-3)