Question

According to the Rational Root Theorem, which is a factor of the polynomial f(x) = 3x3 – 5x2 – 12x + 20?

Answer 1

3x^3 – 5x^2 – 12x + 20

= (3x^3 – 5x^2) – (12x - 20)

= x^2(3x - 5) - 4(3x - 5)

= (3x - 5)(x^2 - 4)

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

Factors: (3x - 5), (x + 2), and (x - 2)

Answer:

D.) 3x – 5

Answer 2

Answer:

D.) 3x – 5

Step-by-step explanation:

I got 100% on the test