Write (x + 1)(x + 2)(x + 3) in the form ax³ + bx² + cx + d
Step 1: Multiply the first 2 brackets(x + 1)(x + 2) =x2 + x + 2x + 2 =x2 + 3x + 2
Step 2: Multiply the result with the third bracket(x2 + 3x + 2)(x+3)x3 + 3x2 + 2x + 3x2 + 9x + 6x3 + 6x2 + 11x + 6
