Phan tich da thuc x^2 + y^3 + 2x^2 -2cy + 2y^2 thanh nhan tu
phan tich da thuc thanh nhan tu
a) xy-y2+2x-2y
b) x2+2xy+y2-9
Phan tich da thuc thanh nhan tu:
1)P= 9(x+3)^2 - 4(x-2)^2
2) P= 25(2x-y)^2 - 16(x+2y)^2
phan tich da thuc thanh nhan tu
x^2-y^2+2x+1
(x^2+x)^2+3(x^2+x)+2
x^2+2xy+y^2+2x+2y-15
phan tich da thuc thanh nhan tu
phan tich da thuc sau thanh nhan tu:
a)(x-y+4)^2-(2x+3y-1)^2
phan tich da thuc thanh nhan tu:
4x^4-21x^2y^2+y^4
Phan tich da thuc thanh nhan tu (1+2x)(1-2x)-x(x+2)(x-2)
phan tich da thuc thanh nhan tu: x(x+2)(x^2+2x+2)+1
