Step 1- Find the Greatest common factor (GCF)
GCF = 3
Step 2- Factor out the GCF (Write the GCF first. Then, in parentheses, divide each term by the GCF.)
3(15x^xy^2/3 + -3x^3y/3 + 75x^4/3)
Step 3- Simplify each term in the parentheses
3(5x^xy^2 - x^3y + 25x^4)