Question

Сократите дробь
(X^2-2)/(√2*X+2)

Answer 1

$\frac{x^2-2}{x\sqrt{2}+2 } =\frac{(x-\sqrt{2})(x+\sqrt{2})}{\sqrt{2}(x+\sqrt{2})} =\frac{x-\sqrt{2}}{\sqrt{2}} =\frac{x\sqrt{2}-2 }{2}$