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  • 8/19/2019 Actividad 3B Carlos J Bianchi

    1/2

    Carlos Javier Bianchi

    Actividad 3B

    AP 25 A

    3  x+7

     x−2  =0

    3  x+7=0∗( x−2)

    3  x+7=0

    3  x=−7

     x=−7

    3

    AP 28 A

    10 x−2−3=0

    10 x−2=3

     x−2log10=log3

     x−2=log 3

    log 10

     x=log3

    log10+2

     x=¿ 2,47712125

    AP 36 A

    4  x2−24  x=−36

    4  x2

    −24   x+36=0

  • 8/19/2019 Actividad 3B Carlos J Bianchi

    2/2

    Carlos Javier Bianchi

    −6¿¿

    (2 x )2−6∗2∗2 x+¿

    (2 x−6)2 =0

     x=3

    AP 41 A

     x+16

     x

    =8

     x+16

     x

    =8

     x2+16

     x

    =8

     x2+16=8  x

     x2+16−8  x=0

    ( x−4)2 =0

     x=4