Factor the GCF: - 6x4y5 - 15x3y2 + 9x2y3

Factor each

-6x⁴y⁵=-1*2*3*x*x*x*x*y*y*y*y*y

-15x³y²=-1*3*5*x*x*x*y*y

9x²y³=3*3*x*x*y*y*y

the number (s) common to al the groups is 3*x*x*y*y=3x²y²

remember

ab+ac=a (b+c)

3x²y² (-2x²y³) + 3x²y² (-5x) + 3x²y² (3y) =

3x²y² (-2x²y³-5x+3y)