Question

сократите дробь: $frac{x-2}{sqrt{x}+sqrt{2}}$

Answer 1

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

Answer 2

Решение внизу на фото