Baholash
-\frac{9n}{7}+1
Kengaytirish
-\frac{9n}{7}+1
Viktorina
Polynomial
5xshash muammolar:
\frac { 1 } { 7 } - 3 ( \frac { 3 } { 7 } n - \frac { 2 } { 7 } )
Baham ko'rish
Klipbordga nusxa olish
\frac{1}{7}-3\times \frac{3}{7}n-3\left(-\frac{2}{7}\right)
-3 ga \frac{3}{7}n-\frac{2}{7} ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
\frac{1}{7}+\frac{-3\times 3}{7}n-3\left(-\frac{2}{7}\right)
-3\times \frac{3}{7} ni yagona kasrga aylantiring.
\frac{1}{7}+\frac{-9}{7}n-3\left(-\frac{2}{7}\right)
-9 hosil qilish uchun -3 va 3 ni ko'paytirish.
\frac{1}{7}-\frac{9}{7}n-3\left(-\frac{2}{7}\right)
\frac{-9}{7} kasri manfiy belgini olib tashlash bilan -\frac{9}{7} sifatida qayta yozilishi mumkin.
\frac{1}{7}-\frac{9}{7}n+\frac{-3\left(-2\right)}{7}
-3\left(-\frac{2}{7}\right) ni yagona kasrga aylantiring.
\frac{1}{7}-\frac{9}{7}n+\frac{6}{7}
6 hosil qilish uchun -3 va -2 ni ko'paytirish.
\frac{1+6}{7}-\frac{9}{7}n
\frac{1}{7} va \frac{6}{7} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
\frac{7}{7}-\frac{9}{7}n
7 olish uchun 1 va 6'ni qo'shing.
1-\frac{9}{7}n
1 ni olish uchun 7 ni 7 ga bo‘ling.
\frac{1}{7}-3\times \frac{3}{7}n-3\left(-\frac{2}{7}\right)
-3 ga \frac{3}{7}n-\frac{2}{7} ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
\frac{1}{7}+\frac{-3\times 3}{7}n-3\left(-\frac{2}{7}\right)
-3\times \frac{3}{7} ni yagona kasrga aylantiring.
\frac{1}{7}+\frac{-9}{7}n-3\left(-\frac{2}{7}\right)
-9 hosil qilish uchun -3 va 3 ni ko'paytirish.
\frac{1}{7}-\frac{9}{7}n-3\left(-\frac{2}{7}\right)
\frac{-9}{7} kasri manfiy belgini olib tashlash bilan -\frac{9}{7} sifatida qayta yozilishi mumkin.
\frac{1}{7}-\frac{9}{7}n+\frac{-3\left(-2\right)}{7}
-3\left(-\frac{2}{7}\right) ni yagona kasrga aylantiring.
\frac{1}{7}-\frac{9}{7}n+\frac{6}{7}
6 hosil qilish uchun -3 va -2 ni ko'paytirish.
\frac{1+6}{7}-\frac{9}{7}n
\frac{1}{7} va \frac{6}{7} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
\frac{7}{7}-\frac{9}{7}n
7 olish uchun 1 va 6'ni qo'shing.
1-\frac{9}{7}n
1 ni olish uchun 7 ni 7 ga bo‘ling.
Misollar
Ikkilik tenglama
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometriya
4 \sin \theta \cos \theta = 2 \sin \theta
Chiziqli tenglama
y = 3x + 4
Arifmetik
699 * 533
Matritsa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simli tenglama
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differensatsiya
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Oʻngga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Chegaralar
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}