\(0,5x-75\%x=\left(\frac{1}{3}-1\right)^2\)
\(\Leftrightarrow\frac{1}{2}x-\frac{3}{4}x=\left(-\frac{2}{3}\right)^2\)
\(\Leftrightarrow-\frac{1}{4}x=\frac{4}{9}\)
\(\Leftrightarrow x=-\frac{16}{9}\)
\(0,5x-75\%x=\left(\frac{1}{3}-1\right)^2\)
\(< =>\frac{1}{2}x-\frac{3}{4}x=\left(-\frac{2}{3}\right)^2\)
\(< =>-\frac{1}{4}x=\frac{4}{9}\)
\(=>x=\frac{-16}{9}\)
\(0,5x-75\%x=\left(\frac{1}{3}-1\right)^2\)
\(\Leftrightarrow\frac{1}{2}x-\frac{3}{4}x=\left(\frac{-2}{3}\right)^2\)
\(\Leftrightarrow\left(\frac{1}{2}-\frac{3}{4}\right)x=\frac{4}{9}\)
\(\Leftrightarrow\frac{-1}{4}x=\frac{4}{9}\)
\(\Leftrightarrow x=\frac{4}{9}:\frac{-1}{4}=\frac{-16}{9}\)
~ Hok tốt ~
