5a*2a=(3+5)+2 eching

$$5 a \times 2 a = ( 3 + 5 ) + 2$$

a uchun yechish

$$a=1$$

$$a=-1$$

Kvadrat ildizini topish bo'yicha qadamlar

a^{2} hosil qilish uchun a va a ni ko'paytirish.

$$5a^{2}\times 2=3+5+2$$

10 hosil qilish uchun 5 va 2 ni ko'paytirish.

$$10a^{2}=3+5+2$$

8 olish uchun 3 va 5'ni qo'shing.

$$10a^{2}=8+2$$

10 olish uchun 8 va 2'ni qo'shing.

$$10a^{2}=10$$

Ikki tarafini 10 ga bo‘ling.

$$a^{2}=\frac{10}{10}$$

1 ni olish uchun 10 ni 10 ga bo‘ling.

$$a^{2}=1$$

Tenglamaning ikkala tarafining kvadrat ildizini chiqarish.

$$a=1 a=-1$$

Kvadrat tenglamalaridan foydalanish qoidalari

a^{2} hosil qilish uchun a va a ni ko'paytirish.

$$5a^{2}\times 2=3+5+2$$

10 hosil qilish uchun 5 va 2 ni ko'paytirish.

$$10a^{2}=3+5+2$$

8 olish uchun 3 va 5'ni qo'shing.

$$10a^{2}=8+2$$

10 olish uchun 8 va 2'ni qo'shing.

$$10a^{2}=10$$

Ikkala tarafdan 10 ni ayirish.

$$10a^{2}-10=0$$

Ushbu tenglama standart shaklidadir: ax^{2}+bx+c=0. Kvadrat tenglama formulasida, \frac{-b±\sqrt{b^{2}-4ac}}{2a} 10 ni a, 0 ni b va -10 ni c bilan almashtiring.

$$a=\frac{0±\sqrt{0^{2}-4\times 10\left(-10\right)}}{2\times 10}$$

0 kvadratini chiqarish.

$$a=\frac{0±\sqrt{-4\times 10\left(-10\right)}}{2\times 10}$$

-4 ni 10 marotabaga ko'paytirish.

$$a=\frac{0±\sqrt{-40\left(-10\right)}}{2\times 10}$$

-40 ni -10 marotabaga ko'paytirish.

$$a=\frac{0±\sqrt{400}}{2\times 10}$$

400 ning kvadrat ildizini chiqarish.

$$a=\frac{0±20}{2\times 10}$$

2 ni 10 marotabaga ko'paytirish.

$$a=\frac{0±20}{20}$$

a=\frac{0±20}{20} tenglamasini yeching, bunda ± musbat. 20 ni 20 ga bo'lish.

$$a=1$$

a=\frac{0±20}{20} tenglamasini yeching, bunda ± manfiy. -20 ni 20 ga bo'lish.

$$a=-1$$

Tenglama yechildi.

$$a=1 a=-1$$