Best Answer: 8x^6y^5 - 3x^8y^3
GCF of 8 and 3 is 1
GCF of x^6 and x^8 is x^6 the lowest exponent of x.
GCF of y^5 and y^3 is y^3 the lowest exponent of y.
Total GCF = 1 × x^6 × y^3
= x^6y^3
8x^6y^5 - 3x^8y^3
= x^6y^3(8y^2 – 3x^2)
---- This is the correct answer!!!