Question

Me ajudem resolva pra mim
9ײ-6×+1

Answer 1

9x²-6x+1 (a=9, b=-6, c=1)
∆=b²-4•a•c
∆=6²-4•9•1
∆=36-36
∆=0

-b +- √∆
--------------
2•a

6+- √0
-----------
2•9

6
----
18

6:6
------
18:6

x= 1/3