Question

Ayudenme a calcular eso doy puntos.
4 √2 - 9 √18 + 15 √50 =

Answer 1

$4 \sqrt{2}-9 \sqrt{18}+15 \sqrt{50}= \\ \\ 4 \sqrt{2}-9 \sqrt{9*2}+15 \sqrt{25*2}= \\ \\ 4 \sqrt{2}-9*3 \sqrt{2}+15*5 \sqrt{2}= \\ \\ 4 \sqrt{2}-27 \sqrt{2}+75 \sqrt{2}= \\ \\ 52 \sqrt{2}$