Question

Express in simplest radical form.√27+2√12A.)2√39B.)3√39C.)5√3D.)7√3

Answer 1

√27 = 3√3 and √12 = 2√3, so √27 + 2√12 = 3√3 + 2(2√3) = 3√3 + 4√3 = 7√3.
Answer: D) 7√3