Gratata Gratata 03-06-2015 Mathematics Answered Combine the like terms to simplify the expression: 5 + 7 + 15xy2 + 9y3 + 10x –13xy2 – 3x – 8y3 A. y3 + 2xy2 + 7x + 12 B. y3 –2xy2 + 10x + 15 C. y3 + 2xy2 + 10x + 1 D. y6 + 2x2y2 + 10x + 12