Mathematics>Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
Which of the following expressions is equivalent to 16x^4-81?
A.(4x^3-9)(4x+9)
B.(2x-3)(2x+3)(4x^2-9)
C.(2x-3)(2x+3)(4x^2+9)
D.(2x-3)^4