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Baham ko'rish

x=\sqrt{14} x=-\sqrt{14}
Tenglamaning ikkala tarafining kvadrat ildizini chiqarish.
x^{2}-14=0
Ikkala tarafdan 14 ni ayirish.
x=\frac{0±\sqrt{0^{2}-4\left(-14\right)}}{2}
Ushbu tenglama standart shaklidadir: ax^{2}+bx+c=0. Kvadrat tenglama formulasida, \frac{-b±\sqrt{b^{2}-4ac}}{2a} 1 ni a, 0 ni b va -14 ni c bilan almashtiring.
x=\frac{0±\sqrt{-4\left(-14\right)}}{2}
0 kvadratini chiqarish.
x=\frac{0±\sqrt{56}}{2}
-4 ni -14 marotabaga ko'paytirish.
x=\frac{0±2\sqrt{14}}{2}
56 ning kvadrat ildizini chiqarish.
x=\sqrt{14}
x=\frac{0±2\sqrt{14}}{2} tenglamasini yeching, bunda ± musbat.
x=-\sqrt{14}
x=\frac{0±2\sqrt{14}}{2} tenglamasini yeching, bunda ± manfiy.
x=\sqrt{14} x=-\sqrt{14}
Tenglama yechildi.