Question

Simplify and state the excluded values:

12x^3 - 12x/ 28x^3-56x^2+28x

Answer 1

      12x³ - 12x      = 3/7 - 1/56x² - 3/7 = 3/7 - 3/7 - 1/56x² = -1/56x²
28x³ - 56x² + 28x