Question

√72-√2(5√18+6) CALCULATI VA ROG

Answer 1

Răspuns:

Explicație pas cu pas:

$\sqrt{72} -\sqrt{2}(5\sqrt{18} +6) =\\=\sqrt{36*2} -5\sqrt{2}\sqrt{18} -6\sqrt{2} =\\=\sqrt{36}\sqrt{2} -5\sqrt{36} -6\sqrt{2} =\\=6\sqrt{2} -5*6 -6\sqrt{2} =\\=6\sqrt{2} -6\sqrt{2} -30 =\\=30$