\(x^2-5x+4=0\Rightarrow\left(x^2-x\right)-\left(4x-4\right)=0\)\(\Rightarrow x\left(x-1\right)-4\left(x-1\right)=0\Rightarrow\left(x-1\right)\left(x-4\right)=0\)
\(\Rightarrow\orbr{\begin{cases}x-1=0\\x-4=0\end{cases}\Rightarrow}\orbr{\begin{cases}x=1\\x=4\end{cases}}\)
Vậy x=1 hoặc x=4
☹➞cac ban giup minh cau nay voi
☛ tinh tong
M = 1+\(\dfrac{1}{5}\)+\(\dfrac{3}{35}\)+...\(\dfrac{3}{9603}\)+\(\dfrac{3}{9999}\)
➜giup minh nhanh nhe minh dang can gap lam moi nguoi a
➞thank you cac ban ❕
-19-x=-20 ; x-45=-17 ; -32-(x-5)=0 , x+5=0 toi nay m can ket qua gap 4 phep tim x nay cac ban giai gap giup m nhe
2^3+3^3+4^3+...+20^3=? Giup minh giai bai nay nhe giai thich cach lam nhe cac ban
x=1+2+3+4+5+6...
CO BAN NAO GIAI GIUP MINH KO MINHCUNG KO CHAC DE NAY DUNG KO NUA MONG CAC BAN THONG CAM NHE
cac ban oi giup minh cau nay nhe mai minh phai nop roi
Tìm các số nguyên n sao cho n+6 chia het cho 2n-1
cac ban giup mk voi mk ko biet lam cau nay
1.2.3+2.3.4+3.4.5+4.5.6+...+20.21.22
ai nhanh nhat mk cho 1 like!!!!!!!!!!!!
cac ban gip minh cau hoi nay nhe
cac so sau day la so nguyen hay hop so
E = 1! + 2! + 3! + 4! + ... + 100!
Cac ban giup toi co loi giai doi voi bai toan nay nhE
(x-3)2=25
cac ban giup toi cau nay voi:
Thuc hien phep tinh(hop ly neu co the):
(10/99+11/199-12/299)x(1/2-1/3+-1/6)
mong cac ban giup minh nhanh voi a. Minh xin cam on
