Question

quero saber o resultado dessa conta x2-6x+9=0

Answer 1

2x-6x+9=0
2x-6x= -9
-3x = -9      .(-1)
3x=9
x=$\frac{9}{3}$
x=3

Answer 2

x2-6x+9=0
x2-6x=0-9
-4x= -9 .(-1)
4x=9
x= 9
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4