Respuesta :

clarch19

Answer:

h = 7/3 and 2

Step-by-step explanation:

9h² - 18h - 21h + 42

9h² - 39h + 42

factors are:

(3h - 7)(3h - 6)

h = 7/3 and 2
Answer
9h^2-39h+42
Explanation
3hx3h-3hx6-7x3h-7x(-6)
9h^2-18h-21h+42
9h^2-39h+42