Subjects algebra

Ildizlar Yigindisi 183657

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1. Muammo: Tenglama $\sqrt{x^4} + 5x = -3x$ ildizlari yig'indisini toping. 2. Avvalo, $\sqrt{x^4} = |x^2| = x^2$ (chunki $x^2$ har doim manfiy emas). 3. Tenglamani quyidagicha yozamiz: $$x^2 + 5x = -3x$$ 4. Ikkala tomonga $3x$ qo'shamiz: $$x^2 + 5x + 3x = 0$$ $$x^2 + 8x = 0$$ 5. $x$ ni umumiy ko'paytuvchi sifatida chiqaramiz: $$x(x + 8) = 0$$ 6. Tenglama ildizlari: $$x = 0 \quad \text{yoki} \quad x + 8 = 0 \Rightarrow x = -8$$ 7. Ildizlar yig'indisi: $$0 + (-8) = -8$$ Javob: Tenglama ildizlari yig'indisi $-8$ ga teng.