Question

упростите пожалуйста

Answer 1

$frac{(a + b) times (a - b)}{(a - b)^{2} } times (a - b) = a+ b$
$5sqrt{2} + 18sqrt{2} - 10 sqrt{2} = 13 sqrt{2}$

Answer 2

б)5√2 +2×9√2-10√2=13√2

а)(a+b)(a-b)
--------------- × (a-b) =(a+b)
(a-b)2