phan tich da thuc thanh nhan tu a(b^2+c^2)+b(c^2+a^2)+c(a^2+b^2)-2abc-a^3-b^3-c^3.
phan tich da thuc:(a^2+b^2-c^2)^2-4a^2b^2 thanh nhan tu
a(b^2-c^2)+b(c^2-a^2)+c(a^2-b^2) phan tich da thuc thanh nhan tu cac bn vao giup minh di
phan tich da thuc thanh nhan tu
4a^2b^2-(a^2+b^2-c^2)^2
Phan tich da thuc thanh nhan tu
A=\(\left(a+b+c\right)^2+\left(a+b-c\right)^2-4c^2\)
a) x^2 + y^2 -25 +2xy
b) a ^2- 2a -4b^2-4b
c)a^2-b^2-5a-5b
phan tich da thuc thanh nhan tu
phan tich da thuc thanh nhan tu
A2-B2-C2-3ABC = ?
phan tich da thuc sau thanh nhan tu:a^2.b^2.(a-b)+b^2.c^2(b-c)+a^2.c^2 .(c-a)
phan tich da thuc thanh nhan tu a3(b2-c2)+b3(c2-a2) + c3(a2-b2)