Question

Simplify : $-(14{)}^2+{16}^2-(-1{)}^2$

• A. $59$
• B. $60$
• C. $451$
• D. $452$

Answer 1

The correct option is A $59$

$=-(14{)}^2+{16}^2-(-1{)}^2$
$=-(14\times 14)+16\times 16-[-1\times -1]$
$=-196+256-1$
$=59$