Toán Lớp 7: tìm x biết
(2x-3)($\frac{3}{4}$x+1)=0
Leave a reply
Register Now
Login
Lost Password
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Toán Lớp 7: tìm x biết
(2x-3)($\frac{3}{4}$x+1)=0
Comments ( 2 )
=> $\left[\begin{matrix} 2x-3=0\\ \dfrac{3}{4}x+1=0\end{matrix}\right.$
=> $\left[\begin{matrix} 2x=3\\ \dfrac{3}{4}x=-1\end{matrix}\right.$
=> $\left[\begin{matrix} x=\dfrac{3}{2}\\ x=\dfrac{-4}{3}\end{matrix}\right.$
Vậy x∈{3/2;-4/3}