Which of the following is equivalent to 3(2x + 1)(4x + 1)? A) 45x B) 24x^2 + 3 C) 24x^2 + 18x + 3 D) 18x^2 + 6 First, multiply the binomials: We get 8x^2 + 6x + 1 Now multiply this polynomial by 3: 3(8x^2 + 6x + 1) = 24x^2 + 18x + 3, answer C