Question

(90x^22y^17−108x^17y^11+90x^16y^4)/−9x^5y^2

my answer is : -(2x^11y^2)(5x^6y^13-6xy^7+5)

but it says it can be simplified more? how much more can you simplify?!

Answer 1

your answer is correct. Maybe they just want you to expand it out instead of leaving it factored.