The value of $\dfrac{x^{2}-2x}{x^{2}+2x}$ X $\dfrac{3x+6}{x-2} $
3x
3
3x + 2
x - 2
Explanation:
Take x as common ,$\dfrac{x(x-2)\times3(x+2)}{x(x+2)\times(x-2)}=3$
Next Question
A boy is now twice as old as his sister, four years ago, he was thrice as old as her what are their ages now?