Question

Question

Use the Factor Theorem, to find the zeros of f(x) = x³ - 2x² - 93x + 270 given that (x-3) is a factor of the polynomial.

Answer 1

Answer:
`x=-10, 3, 9`

Explanation:

`(f(x))/(x-3)=x^2 +x-90\\\\\implies f(x)=(x^2 +x-90)(x-3)\\\\=(x+10)(x-9)(x-3)\\\\\implies x=-10, 3, 9`