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p^{2}=\frac{49}{9}
Ikki tarafini 9 ga bo‘ling.
p^{2}-\frac{49}{9}=0
Ikkala tarafdan \frac{49}{9} ni ayirish.
9p^{2}-49=0
Ikkala tarafini 9 ga ko‘paytiring.
\left(3p-7\right)\left(3p+7\right)=0
Hisoblang: 9p^{2}-49. 9p^{2}-49 ni \left(3p\right)^{2}-7^{2} sifatida qaytadan yozish. Kvadratlarning farqini ushbu formula bilan hisoblash mumkin: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
p=\frac{7}{3} p=-\frac{7}{3}
Tenglamani yechish uchun 3p-7=0 va 3p+7=0 ni yeching.
p^{2}=\frac{49}{9}
Ikki tarafini 9 ga bo‘ling.
p=\frac{7}{3} p=-\frac{7}{3}
Tenglamaning ikkala tarafining kvadrat ildizini chiqarish.
p^{2}=\frac{49}{9}
Ikki tarafini 9 ga bo‘ling.
p^{2}-\frac{49}{9}=0
Ikkala tarafdan \frac{49}{9} ni ayirish.
p=\frac{0±\sqrt{0^{2}-4\left(-\frac{49}{9}\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 -\frac{49}{9} ni c bilan almashtiring.
p=\frac{0±\sqrt{-4\left(-\frac{49}{9}\right)}}{2}
0 kvadratini chiqarish.
p=\frac{0±\sqrt{\frac{196}{9}}}{2}
-4 ni -\frac{49}{9} marotabaga ko'paytirish.
p=\frac{0±\frac{14}{3}}{2}
\frac{196}{9} ning kvadrat ildizini chiqarish.
p=\frac{7}{3}
p=\frac{0±\frac{14}{3}}{2} tenglamasini yeching, bunda ± musbat.
p=-\frac{7}{3}
p=\frac{0±\frac{14}{3}}{2} tenglamasini yeching, bunda ± manfiy.
p=\frac{7}{3} p=-\frac{7}{3}
Tenglama yechildi.