k uchun yechish
k=-10
Baham ko'rish
Klipbordga nusxa olish
16-4-\left(-k+2\right)=0
2 daraja ko‘rsatkichini -4 ga hisoblang va 16 ni qiymatni oling.
12-\left(-k+2\right)=0
12 olish uchun 16 dan 4 ni ayirish.
12-\left(-k\right)-2=0
-k+2 teskarisini topish uchun har birining teskarisini toping.
10-\left(-k\right)=0
10 olish uchun 12 dan 2 ni ayirish.
-\left(-k\right)=-10
Ikkala tarafdan 10 ni ayirish. Har qanday sonni noldan ayirsangiz, o‘zining manfiyi chiqadi.
-k=\frac{-10}{-1}
Ikki tarafini -1 ga bo‘ling.
-k=10
Ikkala surat va maxrajdan manfiy belgini olib tashlash bilan \frac{-10}{-1} kasrini 10 ga soddalashtirish mumkin.
k=-10
Ikkala tarafini -1 ga ko‘paytiring.
Misollar
Ikkilik tenglama
{ x } ^ { 2 } - 4 x - 5 = 0
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Chiziqli tenglama
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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
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Oʻngga
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Chegaralar
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