Baholash
\frac{2\left(3x-8\right)}{x^{2}-16}
Omil
\frac{2\left(3x-8\right)}{x^{2}-16}
Grafik
Viktorina
Polynomial
5xshash muammolar:
\frac { 4 } { ( x + 4 ) } + \frac { 2 x } { ( x ^ { 2 } - 16 ) }
Baham ko'rish
Klipbordga nusxa olish
\frac{4}{x+4}+\frac{2x}{\left(x-4\right)\left(x+4\right)}
Faktor: x^{2}-16.
\frac{4\left(x-4\right)}{\left(x-4\right)\left(x+4\right)}+\frac{2x}{\left(x-4\right)\left(x+4\right)}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. x+4 va \left(x-4\right)\left(x+4\right) ning eng kichik umumiy karralisi \left(x-4\right)\left(x+4\right). \frac{4}{x+4} ni \frac{x-4}{x-4} marotabaga ko'paytirish.
\frac{4\left(x-4\right)+2x}{\left(x-4\right)\left(x+4\right)}
\frac{4\left(x-4\right)}{\left(x-4\right)\left(x+4\right)} va \frac{2x}{\left(x-4\right)\left(x+4\right)} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
\frac{4x-16+2x}{\left(x-4\right)\left(x+4\right)}
4\left(x-4\right)+2x ichidagi ko‘paytirishlarni bajaring.
\frac{6x-16}{\left(x-4\right)\left(x+4\right)}
4x-16+2x kabi iboralarga o‘xshab birlashtiring.
\frac{6x-16}{x^{2}-16}
\left(x-4\right)\left(x+4\right) ni kengaytirish.
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}