Question

Các bạn giải chi tiết giúp mình với, mình đang cần gấp :)))

Answer 1

c) \(\left(\dfrac{1}{2}\cdot x+\dfrac{1}{4}\right)\cdot\left(2x-\dfrac{1}{3}\right)=0\)

 \(\dfrac{1}{2}\cdot x+\dfrac{1}{4}=0\)

     \(\dfrac{1}{2}\cdot x=0-\dfrac{1}{4}\)

     \(\dfrac{1}{2}\cdot x=-\dfrac{1}{4}\)

          \(x=-\dfrac{1}{4}\div\dfrac{1}{2}\)

          \(x=-\dfrac{1}{2}\)

\(2x-\dfrac{1}{3}=0\)

\(2x=0+\dfrac{1}{3}\)

\(2x=\dfrac{1}{3}\)

  \(x=\dfrac{1}{3}\div2\)

  \(x=\dfrac{1}{6}\)

\(\Rightarrow\) \(x=\) {\(-\dfrac{1}{2};\dfrac{1}{6}\)}