Предмет: Алгебра, автор: kusch0985

12х2+х-6=0 пожалуйста срочно нужноооооо

Ответы

Автор ответа: Koperfield9009

Ответ:

12x2+x-6=0

a=12 b=1 c=-6

D= b2-4a*c= 1-4*12*(-6)=1-48*(-6)=1+288=289, корень из 289 = 17

x1=-1+17/24=2/3

x2=-1-17/24=9/12=3/4

Объяснение:

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