Question

Factor 2g^3 - g^2 - 8g + 4
a.) (g - 1)(2g^2 - 4)
b.) (2g - 1)(g^2 - 4)
c.) 2g^2 - 1)(g - 4)
d.) 2g + 1)(g^2 - 4)
Thanks! (:

Answer 1

$$
2g^3 - g^2 - 8g + 4\\
=(2 g-1) (g-2) (g+2)\\
=(2 g-1)(g^2-4)
$$
Make sense?