Baholash
-\frac{1}{\left(x-7\right)\left(x+6\right)}
Kengaytirish
-\frac{1}{\left(x-7\right)\left(x+6\right)}
Grafik
Viktorina
Polynomial
5xshash muammolar:
\frac{ x+1 }{ { x }^{ 2 } -6x-7 } - \frac{ x+7 }{ { x }^{ 2 } -x-42 }
Baham ko'rish
Klipbordga nusxa olish
\frac{x+1}{\left(x-7\right)\left(x+1\right)}-\frac{x+7}{x^{2}-x-42}
\frac{x+1}{x^{2}-6x-7} ichida hali faktorlanmagan ifodalarni faktorlang.
\frac{1}{x-7}-\frac{x+7}{x^{2}-x-42}
Surat va maxrajdagi ikkala x+1 ni qisqartiring.
\frac{1}{x-7}-\frac{x+7}{\left(x-7\right)\left(x+6\right)}
Faktor: x^{2}-x-42.
\frac{x+6}{\left(x-7\right)\left(x+6\right)}-\frac{x+7}{\left(x-7\right)\left(x+6\right)}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. x-7 va \left(x-7\right)\left(x+6\right) ning eng kichik umumiy karralisi \left(x-7\right)\left(x+6\right). \frac{1}{x-7} ni \frac{x+6}{x+6} marotabaga ko'paytirish.
\frac{x+6-\left(x+7\right)}{\left(x-7\right)\left(x+6\right)}
\frac{x+6}{\left(x-7\right)\left(x+6\right)} va \frac{x+7}{\left(x-7\right)\left(x+6\right)} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
\frac{x+6-x-7}{\left(x-7\right)\left(x+6\right)}
x+6-\left(x+7\right) ichidagi ko‘paytirishlarni bajaring.
\frac{-1}{\left(x-7\right)\left(x+6\right)}
x+6-x-7 kabi iboralarga o‘xshab birlashtiring.
\frac{-1}{x^{2}-x-42}
\left(x-7\right)\left(x+6\right) ni kengaytirish.
\frac{x+1}{\left(x-7\right)\left(x+1\right)}-\frac{x+7}{x^{2}-x-42}
\frac{x+1}{x^{2}-6x-7} ichida hali faktorlanmagan ifodalarni faktorlang.
\frac{1}{x-7}-\frac{x+7}{x^{2}-x-42}
Surat va maxrajdagi ikkala x+1 ni qisqartiring.
\frac{1}{x-7}-\frac{x+7}{\left(x-7\right)\left(x+6\right)}
Faktor: x^{2}-x-42.
\frac{x+6}{\left(x-7\right)\left(x+6\right)}-\frac{x+7}{\left(x-7\right)\left(x+6\right)}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. x-7 va \left(x-7\right)\left(x+6\right) ning eng kichik umumiy karralisi \left(x-7\right)\left(x+6\right). \frac{1}{x-7} ni \frac{x+6}{x+6} marotabaga ko'paytirish.
\frac{x+6-\left(x+7\right)}{\left(x-7\right)\left(x+6\right)}
\frac{x+6}{\left(x-7\right)\left(x+6\right)} va \frac{x+7}{\left(x-7\right)\left(x+6\right)} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
\frac{x+6-x-7}{\left(x-7\right)\left(x+6\right)}
x+6-\left(x+7\right) ichidagi ko‘paytirishlarni bajaring.
\frac{-1}{\left(x-7\right)\left(x+6\right)}
x+6-x-7 kabi iboralarga o‘xshab birlashtiring.
\frac{-1}{x^{2}-x-42}
\left(x-7\right)\left(x+6\right) ni kengaytirish.
Misollar
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