4-(x-y)^2 eching

$$4 - ( x - y ) ^ { 2 }$$

Baholash

$$-\left(x-y\right)^{2}+4$$

Yechim qadamlari

\left(a-b\right)^{2}=a^{2}-2ab+b^{2} binom teoremasini \left(x-y\right)^{2} kengaytirilishi uchun ishlating.

$$4-\left(x^{2}-2xy+y^{2}\right)$$

x^{2}-2xy+y^{2} teskarisini topish uchun har birining teskarisini toping.

$$4-x^{2}+2xy-y^{2}$$

Kengaytirish

$$4-y^{2}+2xy-x^{2}$$

Yechim qadamlari

\left(a-b\right)^{2}=a^{2}-2ab+b^{2} binom teoremasini \left(x-y\right)^{2} kengaytirilishi uchun ishlating.

$$4-\left(x^{2}-2xy+y^{2}\right)$$

x^{2}-2xy+y^{2} teskarisini topish uchun har birining teskarisini toping.

$$4-x^{2}+2xy-y^{2}$$