6ab-2b^2+aa^2-2ab+b^2-6a^2 eching

$$6 a b - 2 b ^ { 2 } + a a ^ { 2 } - 2 a b + b ^ { 2 } - 6 a ^ { 2 }$$

Baholash

$$a^{3}-6a^{2}+4ab-b^{2}$$

Yechim qadamlari

Ayni asosning daraja ko‘rsatkichlarini ko‘paytirish uchun ularning darajalarini qo‘shing. 1 va 2 ni qo‘shib, 3 ni oling.

$$6ab-2b^{2}+a^{3}-2ab+b^{2}-6a^{2}$$

4ab ni olish uchun 6ab va -2ab ni birlashtirish.

$$4ab-2b^{2}+a^{3}+b^{2}-6a^{2}$$

-b^{2} ni olish uchun -2b^{2} va b^{2} ni birlashtirish.

$$4ab-b^{2}+a^{3}-6a^{2}$$

b ga nisbatan hosilani topish

$$4a-2b$$