Question Number 459 by Karting7442 last updated on 25/Jan/15
$$\underset{} {{f}actor}\:{the}\:{expression}\:{completely}:\:\frac{\mathrm{3}}{\mathrm{4}}{a}−\frac{\mathrm{9}}{\mathrm{20}} \\ $$
Answered by prakash jain last updated on 09/Jan/15
$$\frac{\mathrm{3}}{\mathrm{4}}{a}−\frac{\mathrm{9}}{\mathrm{20}}=\frac{\mathrm{3}}{\mathrm{4}}\left({a}−\frac{\mathrm{3}}{\mathrm{5}}\right) \\ $$