Question

Which number is a potential root of f(x) = 9x8 + 9x6 – 12x + 7?

Answer 1

Step-by-step explanation:

(((9 • (x8)) + 32x6) - 12x) + 7

(32x8 + 32x6) - 12x) + 7

9x8+9x6-12x+7 is not a perfect cube

Group 1: -12x+7

Group 2: 9x8+9x6

9x8 + 9x6 - 12x + 7