Question

Simplify :$\frac{1.73\times 1.73-0.27\times 0.27}{1.73-0.27}$

Answer 1

$\frac{1.73\times 1.73-027\times 0.27}{1.73-0.27}=\frac{(1.73+0.27)(1.73-0.27)}{(1.73-0.27)}$

$=2$.