x uchun yechish
x=\sqrt{11}-7\approx -3,68337521
x=-\left(\sqrt{11}+7\right)\approx -10,31662479
Grafik
Baham ko'rish
Klipbordga nusxa olish
\left(x+7\right)^{2}-11+11=11
11 ni tenglamaning ikkala tarafiga qo'shish.
\left(x+7\right)^{2}=11
O‘zidan 11 ayirilsa 0 qoladi.
x+7=\sqrt{11} x+7=-\sqrt{11}
Tenglamaning ikkala tarafining kvadrat ildizini chiqarish.
x+7-7=\sqrt{11}-7 x+7-7=-\sqrt{11}-7
Tenglamaning ikkala tarafidan 7 ni ayirish.
x=\sqrt{11}-7 x=-\sqrt{11}-7
O‘zidan 7 ayirilsa 0 qoladi.
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