Multiple choice What is the value of the expression a3 + b3 + c3 - 3abc for a = 2, b = 3, c = 4? 3 6 9 27 Reveal answer Fill a bubble to check yourself D Correct answer Explanation a3 + b3 + c3 - 3abc a = 2, b = 3 and c = 4 (2)3 + (3)3 + (4)3 - 3(2) (3) (4) 8 + 27 + 64 - 72 27