Respuesta:
es la E)14 dame coronita
24-x 24
____=_____
x-8 x-4
____=______,
(24-x).(x-4)=24 (x-8)
(24-x).(x-4)-24(x-8)=0
2
24x-96-x +4x-24x+192=0
96-x +4x=0
-x+4x+96=0
x-4x-96=0
x+8x-12x-96=0
x.(x+8)-12(x+8)=0
(x+8).(x-12)=0
x+8=0 V x-12=0
x=-8 V x=12
S: {-8;12}
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Respuesta:
es la E)14 dame coronita
Respuesta:
24-x 24
____=_____
x-8 x-4
24-x 24
____=______,
x-8 x-4
(24-x).(x-4)=24 (x-8)
(24-x).(x-4)-24(x-8)=0
2
24x-96-x +4x-24x+192=0
2
96-x +4x=0
2
-x+4x+96=0
2
x-4x-96=0
2
x+8x-12x-96=0
x.(x+8)-12(x+8)=0
(x+8).(x-12)=0
x+8=0 V x-12=0
x=-8 V x=12
x=-8 V x=12
S: {-8;12}