Me podeis ayudar con esto???? Porfavor doy 15 puntos paso a paso
A) x2-5x=0
B) 3x2-24=0
C) -2x2+x=0
A) x2-5x=0
B) 3x2-24=0
C) -2x2+x=0
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A) x^2-5x=0. dividimos todo entre "x"
(x^2/x)-(5x/x)=0/x
x-5=0
x=5
B) 3x^2-24=0
3x^2=24
x^2=24/3
x^2=8
C)-2x^2+x=0. dividimos todo entre x
(-2x^2/x) + (x/x) = 0/x
-2x + 1 =0
2x = 1
x = 1/2