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c^{2}+8c-7-\left(-c^{2}\right)-5c+2
-c^{2}+5c-2 teskarisini topish uchun har birining teskarisini toping.
c^{2}+3c-7-\left(-c^{2}\right)+2
3c ni olish uchun 8c va -5c ni birlashtirish.
c^{2}+3c-5-\left(-c^{2}\right)
-5 olish uchun -7 va 2'ni qo'shing.
c^{2}+3c-5+c^{2}
1 hosil qilish uchun -1 va -1 ni ko'paytirish.
2c^{2}+3c-5
2c^{2} ni olish uchun c^{2} va c^{2} ni birlashtirish.
c^{2}+8c-7-\left(-c^{2}\right)-5c+2
-c^{2}+5c-2 teskarisini topish uchun har birining teskarisini toping.
c^{2}+3c-7-\left(-c^{2}\right)+2
3c ni olish uchun 8c va -5c ni birlashtirish.
c^{2}+3c-5-\left(-c^{2}\right)
-5 olish uchun -7 va 2'ni qo'shing.
c^{2}+3c-5+c^{2}
1 hosil qilish uchun -1 va -1 ni ko'paytirish.
2c^{2}+3c-5
2c^{2} ni olish uchun c^{2} va c^{2} ni birlashtirish.