Baholash
14x-21+\frac{28}{x}
Kengaytirish
14x-21+\frac{28}{x}
Grafik
Viktorina
Polynomial
5xshash muammolar:
( 7 ) ( - 4 x ^ { 2 } + 6 x - 8 ) \cdot ( - \frac { 1 } { 2 x } )
Baham ko'rish
Klipbordga nusxa olish
\frac{-7}{2x}\left(-4x^{2}+6x-8\right)
7\left(-\frac{1}{2x}\right) ni yagona kasrga aylantiring.
-4\times \frac{-7}{2x}x^{2}+6\times \frac{-7}{2x}x-8\times \frac{-7}{2x}
\frac{-7}{2x} ga -4x^{2}+6x-8 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
\frac{-4\left(-7\right)}{2x}x^{2}+6\times \frac{-7}{2x}x-8\times \frac{-7}{2x}
-4\times \frac{-7}{2x} ni yagona kasrga aylantiring.
\frac{-7\left(-1\right)\times 2}{x}x^{2}+6\times \frac{-7}{2x}x-8\times \frac{-7}{2x}
Surat va maxrajdagi ikkala 2 ni qisqartiring.
\frac{-7\left(-1\right)\times 2x^{2}}{x}+6\times \frac{-7}{2x}x-8\times \frac{-7}{2x}
\frac{-7\left(-1\right)\times 2}{x}x^{2} ni yagona kasrga aylantiring.
-7\left(-1\right)\times 2x+6\times \frac{-7}{2x}x-8\times \frac{-7}{2x}
Surat va maxrajdagi ikkala x ni qisqartiring.
-7\left(-1\right)\times 2x+\frac{6\left(-7\right)}{2x}x-8\times \frac{-7}{2x}
6\times \frac{-7}{2x} ni yagona kasrga aylantiring.
-7\left(-1\right)\times 2x+\frac{-7\times 3}{x}x-8\times \frac{-7}{2x}
Surat va maxrajdagi ikkala 2 ni qisqartiring.
-7\left(-1\right)\times 2x-7\times 3-8\times \frac{-7}{2x}
x va x ni qisqartiring.
-7\left(-1\right)\times 2x-7\times 3+\frac{-8\left(-7\right)}{2x}
-8\times \frac{-7}{2x} ni yagona kasrga aylantiring.
-7\left(-1\right)\times 2x-7\times 3+\frac{-7\left(-1\right)\times 4}{x}
Surat va maxrajdagi ikkala 2 ni qisqartiring.
7\times 2x-21+\frac{-7\left(-1\right)\times 4}{x}
Ko‘paytirishlarni bajaring.
14x-21+\frac{-7\left(-1\right)\times 4}{x}
14 hosil qilish uchun 7 va 2 ni ko'paytirish.
14x-21+\frac{7\times 4}{x}
7 hosil qilish uchun -7 va -1 ni ko'paytirish.
14x-21+\frac{28}{x}
28 hosil qilish uchun 7 va 4 ni ko'paytirish.
\frac{\left(14x-21\right)x}{x}+\frac{28}{x}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 14x-21 ni \frac{x}{x} marotabaga ko'paytirish.
\frac{\left(14x-21\right)x+28}{x}
\frac{\left(14x-21\right)x}{x} va \frac{28}{x} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
\frac{14x^{2}-21x+28}{x}
\left(14x-21\right)x+28 ichidagi ko‘paytirishlarni bajaring.
\frac{-7}{2x}\left(-4x^{2}+6x-8\right)
7\left(-\frac{1}{2x}\right) ni yagona kasrga aylantiring.
-4\times \frac{-7}{2x}x^{2}+6\times \frac{-7}{2x}x-8\times \frac{-7}{2x}
\frac{-7}{2x} ga -4x^{2}+6x-8 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
\frac{-4\left(-7\right)}{2x}x^{2}+6\times \frac{-7}{2x}x-8\times \frac{-7}{2x}
-4\times \frac{-7}{2x} ni yagona kasrga aylantiring.
\frac{-7\left(-1\right)\times 2}{x}x^{2}+6\times \frac{-7}{2x}x-8\times \frac{-7}{2x}
Surat va maxrajdagi ikkala 2 ni qisqartiring.
\frac{-7\left(-1\right)\times 2x^{2}}{x}+6\times \frac{-7}{2x}x-8\times \frac{-7}{2x}
\frac{-7\left(-1\right)\times 2}{x}x^{2} ni yagona kasrga aylantiring.
-7\left(-1\right)\times 2x+6\times \frac{-7}{2x}x-8\times \frac{-7}{2x}
Surat va maxrajdagi ikkala x ni qisqartiring.
-7\left(-1\right)\times 2x+\frac{6\left(-7\right)}{2x}x-8\times \frac{-7}{2x}
6\times \frac{-7}{2x} ni yagona kasrga aylantiring.
-7\left(-1\right)\times 2x+\frac{-7\times 3}{x}x-8\times \frac{-7}{2x}
Surat va maxrajdagi ikkala 2 ni qisqartiring.
-7\left(-1\right)\times 2x-7\times 3-8\times \frac{-7}{2x}
x va x ni qisqartiring.
-7\left(-1\right)\times 2x-7\times 3+\frac{-8\left(-7\right)}{2x}
-8\times \frac{-7}{2x} ni yagona kasrga aylantiring.
-7\left(-1\right)\times 2x-7\times 3+\frac{-7\left(-1\right)\times 4}{x}
Surat va maxrajdagi ikkala 2 ni qisqartiring.
7\times 2x-21+\frac{-7\left(-1\right)\times 4}{x}
Ko‘paytirishlarni bajaring.
14x-21+\frac{-7\left(-1\right)\times 4}{x}
14 hosil qilish uchun 7 va 2 ni ko'paytirish.
14x-21+\frac{7\times 4}{x}
7 hosil qilish uchun -7 va -1 ni ko'paytirish.
14x-21+\frac{28}{x}
28 hosil qilish uchun 7 va 4 ni ko'paytirish.
\frac{\left(14x-21\right)x}{x}+\frac{28}{x}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 14x-21 ni \frac{x}{x} marotabaga ko'paytirish.
\frac{\left(14x-21\right)x+28}{x}
\frac{\left(14x-21\right)x}{x} va \frac{28}{x} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
\frac{14x^{2}-21x+28}{x}
\left(14x-21\right)x+28 ichidagi ko‘paytirishlarni bajaring.
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