Question

9t-18t²=0 Como resolver?

Answer 1

simples
9t - 18t^2=0
9t = 18t^2 ( simplificando)
1 = 2t
t = 1/2

Answer 2

9t-18t²=0
t (9-18t)=0
t=0 , 9 - 18t
9 = 18 t 
t = 9/18
t = 1/2