UnKnown628 UnKnown628 07-07-2020 Mathematics contestada Find the product: (5x + 5y) (x + 4y)A. 4x2 +22ry - 12y2B.5x2+ 20y2c.5x2 + 25xy + 20y2D. 35x2 - 54ry + 16y2