14ab^2 - 17ab + 5a^2b + 20ab - 14a^2b
Combine like terms:
14ab^2 + 20ab - 17ab + 5a^2b - 14a^2b
34ab - 17ab -9a^2b
=17ab - 9a^2b
14ab^2 - 17ab + 5a^2b + 20ab - 14a^2b
Combine like terms:
14ab^2 + 20ab - 17ab + 5a^2b - 14a^2b
34ab - 17ab -9a^2b
=17ab - 9a^2b