Question

what is the value of the exponents of x in the simplify expression?

Answer 1

Let's use the following property:

$x^y\cdot x^z=x^{y+z}$$(x^{-3}y^5z^{-4})\cdot(x^6y^{-7}z^{-2})=x^{-3+6}y^{5-7}z^{-4-2}=x^3y^{-2}z^{-6}$