Question

Write the rational expression in lowest terms (z^(2)-7z+12)/(z^(2)+5z-36)

Answer 1

(z - 3)/(z + 9)

Explanation:

(z² - 7z + 12)/(z² + 5z - 36) =

= [(z - 3)(z - 4)]/[(z + 9)(z - 4)]

= (z - 3)/(z + 9)