9a^2-(a+7^2/4a^2+7a eching

$$\frac{ 9 { a }^{ 2 } -(a+ { 7 }^{ 2 } }{ 4 { a }^{ 2 } +7a }$$

Baholash

$$\frac{36a^{4}+63a^{3}-a-49}{a\left(4a+7\right)}$$

Qisqa yechim qadamlari

2 daraja ko‘rsatkichini 7 ga hisoblang va 49 ni qiymatni oling.

$$9a^{2}-\frac{a+49}{4a^{2}+7a}$$

Faktor: 4a^{2}+7a.

$$9a^{2}-\frac{a+49}{a\left(4a+7\right)}$$

Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 9a^{2} ni \frac{a\left(4a+7\right)}{a\left(4a+7\right)} marotabaga ko'paytirish.

$$\frac{9a^{2}a\left(4a+7\right)}{a\left(4a+7\right)}-\frac{a+49}{a\left(4a+7\right)}$$

\frac{9a^{2}a\left(4a+7\right)}{a\left(4a+7\right)} va \frac{a+49}{a\left(4a+7\right)} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{9a^{2}a\left(4a+7\right)-\left(a+49\right)}{a\left(4a+7\right)}$$

9a^{2}a\left(4a+7\right)-\left(a+49\right) ichidagi ko‘paytirishlarni bajaring.

$$\frac{36a^{4}+63a^{3}-a-49}{a\left(4a+7\right)}$$

a\left(4a+7\right) ni kengaytirish.

$$\frac{36a^{4}+63a^{3}-a-49}{4a^{2}+7a}$$

Kengaytirish

$$\frac{36a^{4}+63a^{3}-a-49}{4a^{2}+7a}$$

Qisqa yechim qadamlari

2 daraja ko‘rsatkichini 7 ga hisoblang va 49 ni qiymatni oling.

$$9a^{2}-\frac{a+49}{4a^{2}+7a}$$

Faktor: 4a^{2}+7a.

$$9a^{2}-\frac{a+49}{a\left(4a+7\right)}$$

Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 9a^{2} ni \frac{a\left(4a+7\right)}{a\left(4a+7\right)} marotabaga ko'paytirish.

$$\frac{9a^{2}a\left(4a+7\right)}{a\left(4a+7\right)}-\frac{a+49}{a\left(4a+7\right)}$$

\frac{9a^{2}a\left(4a+7\right)}{a\left(4a+7\right)} va \frac{a+49}{a\left(4a+7\right)} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{9a^{2}a\left(4a+7\right)-\left(a+49\right)}{a\left(4a+7\right)}$$

9a^{2}a\left(4a+7\right)-\left(a+49\right) ichidagi ko‘paytirishlarni bajaring.

$$\frac{36a^{4}+63a^{3}-a-49}{a\left(4a+7\right)}$$

a\left(4a+7\right) ni kengaytirish.

$$\frac{36a^{4}+63a^{3}-a-49}{4a^{2}+7a}$$