Question

помогите!!!! Срочно $sqrt{2y} - frac{3}{2} sqrt{32y} + 6 sqrt{ frac{8y}{9} }$

Answer 1

$sqrt{2y}-frac{3}{2}sqrt{32y}+6sqrt{frac{8y}{9}}=\ sqrt{2y} - sqrt{72y}+sqrt{32y}=\ sqrt{2y}-6sqrt{2y} +4sqrt{2y}=-sqrt{2y}$