viet cac cong thuc 2(x-2)^2 : x+1 va 2x^2-10x+12 : x-1 duoi dang nhung phan thuc co cung tu thuc
CMR bieu thuc sau viet duoc duoi dang tong cac binh phuong cua hai bieu thuc
x2+2(x+1)2+3(x+2)2+4(x+3)2
GTLL cua bieu thuc 14+2x-2x^2 la ....... nhap ket qua duoi dang phan so gon nhat
Viet bieu thuc sau duoi dang binh phuong cua mot tong:
2xy2 +x2y4 +1
Phan tich da thuc sau thanh nhan tu:
a) x2 -3x +2
b) 3x2 - 7x -10
c) 2x2 -5x -7
HELP ME!!!
viet cac bieu thuc sau duoi dang tich:
a, -64+(x-3)\(^3\)
viet cac bieu thuc sau duoi dang tich:
a, -64+(x-3)\(^3\)
viet cac bieu thuc sau duoi dang tong
(x+2y)^3
(2x-y)^3
(_5a-b)^3
Viet da thuc x^2+3x+2 duoi dang da thuc cua x-1
viet cac bieu thuc sau duoi dang binh phuong cua mot tong hoac mot hieu
xy^2+(2+xy^2)+10-6x+x^2
