Nathanangelomanguiatviz Nathanangelomanguiatviz Math Answered ACTIVITY 2. Factor each polynomial expression using GCF or CMF. 1. 2a²+3a 2. 4m² +m³ 3. 7y² -7y 4. 9x³+27x²y-63x³y² 5. 45 x³y² + 75x³y³ - 30xy4