Question

(7-√54) - (5+√24)

Answer 1

2-5sqrt(6)

Answer 2

\[(7-√54) - (5+√24) = 2- 3\sqrt{6} - 2\sqrt{6}= 2 -5\sqrt{6}\]

Answer 3

push the subtraction thru the paranthesis; which changes the signs

-(5+sqrt(24)) = -5 -sqrt(25) then combine line terms

Answer 4

and try not to typo it ;)