\(\left(a^2+b^2-c^2\right)^2-4a^2b^2\)
\(=\left(a^2+b^2-c^2\right)^2-\left(2ab\right)^2\)
\(=\left[\left(a+b\right)^2-c^2\right]\left[\left(a-b\right)^2+c^2\right]\)
=(a+b+c)(a+b-c)(a-b+c)(a-b-c)
phan tich da thuc thanh nhan tu
4a^2b^2-(a^2+b^2-c^2)^2
phan tich da thuc thanh nhan tu \(4a^2b-4ab^2+9a-9b-6a^2+6b^2\)
phan tich da thuc 4a2b2+1 thanh nhan tu
1 phan tich da thuc thanh nhan tu
a) 4x^2 - 49
b) a^2 -2a -b^2 -2b
Phan tich da thuc thanh nhan tu:
a,4a2b2-(a2+b2-c2)
b,x5+x+1
a(b^2-c^2)+b(c^2-a^2)+c(a^2-b^2) phan tich da THUC THANH NHAN TU
Phan tich da thuc sau thanh nhan tu:
4a2b2 - (a2 + b2 -c2)2
Phan tich da thuc thanh nhan tu: a^2+2ab+b^2-ac-bc
phan tich da thuc sau thanh nhan tu ab(x^2+y^2)-xy(a^2+b^2)
