√288-√450+√72-√882
[tex] [/tex]


Răspuns :

√288-√450+√72-√882 = 12√2 - 15√2 + 6√2 -21√2 = 18√2-36√2 = -18√2


[tex] \sqrt{288} - \sqrt{450} + \sqrt{72} - \sqrt{882} = \\ \\ 12 \sqrt{2} - 15 \sqrt{2} + 6 \sqrt{2} - 21 \sqrt{2} = - 18 \sqrt{2} [/tex]