Предмет: Алгебра, автор: olitka1234554321

поможіть будьласочка треба Розв'язати рівняння

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Автор ответа: Alekseii1
1
x²+4x-12=0
Д = 16 - 4 ×1×(-12)= 16+48 = 64; (корень с 64 = 8)
x(1)= -4+8/2= 4/2=2
x(2)= -4-8/2= -12/2=-6
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