Question

mn ơi giúp mik zới mik phải làm nốt để mai nộp nx ạ

(x+2021).(1/2-x)=0

Answer 1

\(\left(x+2021\right)\left(\dfrac{1}{2}-x\right)=0\)

\(\Rightarrow\left[{}\begin{matrix}x=-2021\\x=\dfrac{1}{2}\end{matrix}\right.\)