sqrt{4}(7a+6ab+sqrt{4})-2(-7ab-3a+2)= eching

$$\sqrt { 4 } ( 7 a + 6 a b + \sqrt { 4 } ) - 2 ( - 7 a b - 3 a + 2 ) =$$

Baholash

$$26ab+20a$$

Yechim qadamlari

4 ning kvadrat ildizini hisoblab, 2 natijaga ega bo‘ling.

$$2\left(7a+6ab+\sqrt{4}\right)-2\left(-7ab-3a+2\right)$$

4 ning kvadrat ildizini hisoblab, 2 natijaga ega bo‘ling.

$$2\left(7a+6ab+2\right)-2\left(-7ab-3a+2\right)$$

2 ga 7a+6ab+2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$14a+12ab+4-2\left(-7ab-3a+2\right)$$

-2 ga -7ab-3a+2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$14a+12ab+4+14ab+6a-4$$

26ab ni olish uchun 12ab va 14ab ni birlashtirish.

$$14a+26ab+4+6a-4$$

20a ni olish uchun 14a va 6a ni birlashtirish.

$$20a+26ab+4-4$$

0 olish uchun 4 dan 4 ni ayirish.

$$20a+26ab$$

a ga nisbatan hosilani topish

$$26b+20$$