WAEC - Mathematics (2007 - No. 53)
Simplify \(\frac{4}{2x} - \frac{2x + x}{x}\)
-1
-2x
2x
\(\frac{2 - x}{2x}\)
説明
\(\frac{4}{2x} - \frac{2 + x}{x} = \frac{4 - 2(2 + x)}{2x}\)
= \(\frac{4 - 4 - 2x}{2x} = \frac{-2x}{2x}\)
= 1
= \(\frac{4 - 4 - 2x}{2x} = \frac{-2x}{2x}\)
= 1