a)72 -272 =(7-27)(7+27)
=-20.34
=-680
b)372 -132=(37-13)(37+13)=24.50
=1200
c)20022-22=(2002-2)(2002+2)
=2000.2004
=4008000
a)72 -272 =(7-27)(7+27)
=-20.34
=-680
b)372 -132=(37-13)(37+13)=24.50
=1200
c)20022-22=(2002-2)(2002+2)
=2000.2004
=4008000
phan tich da thuc thanh nhan tu bang phuong phap tach
a, x2 - 2x - 3
\(\left(3x+1\right)^2-4.\left(x-2\right)^2\)=
Giai dung nha, ai giai dung mk tick cho
Cung la bai phan tich da thuc thanh nhan tu dung hang dang thuc(cua lop 8)
phan tich thanh nhan tu bang pp dung hang dang thuc 1+8x^6y^3
phan tich da thuc thanh nhan tu bang pp dung hang dang thuc:
a) 16x^2 - (x^2 + 4)^2
b) 27x^3 - 54x^2 + 36x - 8
c) (x+y)^3 - (x-y)^3
help me
\(\left(3x-1\right)^2-16=\)
Bai phan tich da thuc thanh nhan tu dung hang dang thuc (Cua lop 8 nha)
Lam day du va chinh xac nha!
phan tich da thuc thanh nhan tu
x^2-x-y^2-y
x^2-2xy+y^2-z^2
bai 32 va 33 sbt
lop 8 bai phan tich da thuc thanh nhan tu bang cach nhom hang tu
x^2-2007x-2008
Phan tich da thuc thanh nhan tu
giup minh nha
phan tich da thuc thanh nhan tu bang cach them bot cung 1 hang tu;
\(x^3-2x-4\)
phan tich da thuc thanh nhan tu bang cach them bot cung 1 hang tu;
\(x^8+x^4+1\)