Resposta :
Resposta:
9x² - 3 x = 0
x ( 9 x - 3 )= 0
x = 0
9 x - 3 = 0
9 x = 3
x = 3. 1
----- ÷ 3 -----
(simplificando por) 3
9
~s { 0, 1 }
----
3
Resposta:
9x² - 3 x = 0
x ( 9 x - 3 )= 0
x = 0
9 x - 3 = 0
9 x = 3
x = 3. 1
----- ÷ 3 -----
(simplificando por) 3
9
~s { 0, 1 }
----
3