Mschlagel Mschlagel 27-03-2017 Mathematics contestada 1. Check all solutions of the equation: 5x(x - 2) = 0 A. 0 B. 2 C. -2 D. 5 2. Factor by grouping: xy - 2y + 2x - 4 A. (x + 4)(y + 2) B. (x - 2)(y + 2) C. (x + y)(x - 2) 3. Factor and solve the equation. 9x2 - 30x + 25 = 0 A. -5 B. -3/5 C. 5/3 D. 1