29levelupchaye2 29levelupchaye2 31-01-2018 Mathematics contestada 1.Multiply: (2m + 4)(m - 5) 2.Multiply: (b + 3)(b2 - 5b - 9) 3.Multiply: (2x + 5)2. 4.Find the GCF of 100x2 and 15x3. Do all or none please