Question

(5√2-√18)*√2 упростить

Answer 1

1) V 18 = V ( 9•2 ) = 3V2
2) 5V2 - 3V2 = 2V2
3) 2V2 • V2 = 2•2 = 4

Answer 2

$= (5 sqrt{2} - 3 sqrt{2})* sqrt{2} = 2 sqrt{2} * sqrt{2} = 2*2=4$