Question

Упростите выражение.
5√18+7√50-30√2

Answer 1

5$sqrt{9*2}$+7$sqrt{25*2}$-30$sqrt{2}$=5*3$sqrt{2}$+7*5$sqrt{2}$-30$sqrt{2}$=15$sqrt{2}$+35$sqrt{2}$-30$sqrt{2}$=20$sqrt{2}$