Step 1. Find the Greatest Common Factor (GCF) GCF = 3m^2 Step 2. Factor out the GCF <span>(Write the GCF first. Then, in parentheses, divide each term by the GCF.) 3m^2(15m^2/3m^2 + -12m^3/3m^2) Step 3. Simplify each term in parentheses 3m^2(5 - 4m)</span>