ASK - ANSWER - COMMENT - VOTE - CREATE

MathsGee is Zero-Rated (You do not need data to access) on: Telkom |Dimension Data | Rain | MWEB

1 like 0 dislike
41 views
Use the Factor Theorem to determine all the factors of  the following expression $x^3 + x^2 - 17x + 15$
| 41 views

0 like 0 dislike
x=1 gives 0 on substitution into function, hence x-1 is a factor

divide function by x-1 using long division to get

(x-1)(x^2 + 2x -15)

(x-1)(x-3)(x+5)
by Diamond (43,720 points)

1 like 0 dislike