Question

Find the continued product:(5x-2y)(5x+2y)(25x2 + 4y2)

Answer 1

$(5x-2y)(5x+2y)(25 {x}^{2} + 4 {y}^{2} ) \\ = (25 {x}^{2} - 4 {y}^{2} )(25 {x}^{2} + 4 {y}^{2} ) \\ = 625 {x}^{2} - 16 {y}^{2}$