Question

(√98-5√2)•√2=?

(• - умножение)​

Answer 1

($\sqrt{98}$-5$\sqrt{2}$)*$\sqrt{2}$=(7$\sqrt{2}$-5$\sqrt{2}$)*$\sqrt{2}$ = 2$\sqrt{2}$*$\sqrt{2}$= 4