Asosiy tarkibga oʻtish
y uchun yechish
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x uchun yechish (complex solution)
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x uchun yechish
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Baham ko'rish

y=2\left(x^{2}-6x+9\right)-7
\left(a-b\right)^{2}=a^{2}-2ab+b^{2} binom teoremasini \left(x-3\right)^{2} kengaytirilishi uchun ishlating.
y=2x^{2}-12x+18-7
2 ga x^{2}-6x+9 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
y=2x^{2}-12x+11
11 olish uchun 18 dan 7 ni ayirish.