Question

Evaluate the following products without multiplying directly:
$104\times 96$

Answer 1

$104\times 96$

$\Rightarrow (100+4)(100-4)$

$\Rightarrow ({100}^2-4^2)$ $(A^2-B^2=(A+B\left)\right(A-B\left)\right)$

$\Rightarrow 10000-16$

$\Rightarrow 9984$