Предмет: Алгебра, автор: spases2000

розвяжіть рівняння:
три ікс в квадраті + вісім ікс - три =0

Ответы

Автор ответа: annaivanchyk

0

3x^2+8x-3=0 D=b^2-4ac=64+36=100; корінь з D=10 X=-b-корінь з D/ 2a= -8-10/6=-3 X=-b+корінь з D/2a= -8+10/6=1/3

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