Question

Simplify : $({12}^2-5^2)\times \frac{(-1{)}^2}{19}$

Answer 1

$({12}^2-5^2)\times \frac{(-1{)}^2}{19}$

$=(144-25)\times \frac{1}{19}$

$=119\times \frac{1}{19}$

$=\frac{119}{19}$

$=6\frac{5}{19}$