Divide $\dfrac{49x^{2} - 25}{7x - 5}$.

Divide $\dfrac{49x^{2} - 25}{7x - 5}$.
  1. $7x + 5$
  2. $7x - 5$
  3. $49x + 25$
  4. $x + 5$

Solution

$49x^{2}-25=(7x-5)(7x+5)$. Dividing by $(7x-5)$ gives $7x+5$.

Asked in: IMO

Practice more FACTORISATION questions on Aicharya