dat y^2+y=z cho gon
\(z^2-9z+20=z^2-4z-5z+20=z\left(z-4\right)-5\left(z-4\right)=\left(z-4\right)\left(z-5\right)\)
\(thaylai:\left(y^2+y-4\right)\left(y^2+y-5\right)\)
phan tich da thuc thanh nhan tu
a, x^2.y-x^3-9y+9x
b, x^2(x-1)+16(1-x)
Phan tich da thuc thanh nhan tu
P=x^2 - 6xy +9y^2
phan tich da thuc thanh nhan tu
c/ 3x-9xy-9y2+6y-1
d/ x4+x2y2+y4
Phan tich da thuc thanh nhan tu:
P=x^2-6xy+9y^2
Cac ban ghi loi giai ro rang từng bước cho mình nha
phan tich cac da thuc thanh nhan tu
-x - y^2 + x^2 -y
phan tich thanh cac nhan tu da thuc
x^2-25+y+2xy
phan tich cac da thuc sau thanh nhan tu a)x^2+4x+3 b) 4x^2+4x-3 c) x^2-x-12 d)4x^4+4x^2y^2-8y^4
Phan tich da thuc thanh nhan tu
1)P= x2 - 6xy+9y2
2) P= x4 - 64x
phan tich cac da thuc sau thanh nhan tu
x^2-x-12
x^2+8x+15
x^3-x^2+x+3
x^8+3x^4+4
x^6-x^4-2x^3+2x^2
