Multiple choice 2√18 x 3√2 6√36 12 5√20 36 Reveal answer Fill a bubble to check yourself D Correct answer Explanation Multiply the coefficients (2 * 3 = 6) and the radicals (sqrt(18) * sqrt(2) = sqrt(36)). Since sqrt(36) = 6, the expression becomes 6 * 6 = 36.