Using Additive Inverse to Factor by Grouping
Factor the polynomial 4x4-20x²-3x² + 15 by grouping. What is the resulting expression?
O (4x²+3)(x2²-5)
O (4x²-3)(x²-5)
O (4x² - 5)(x²+3)
O (4x²+5)(x²-3)