(3a-2)(3a+2)(2a-3)^2 Помогите

Question

(3a-2)(3a+2)(2a-3)^2 Помогите

Answer 1

(9а^2-4)(4а^2-6а+9)=36а^4-54а^3+81а^2-16а^2+24а-36=36а^4-54а^3+65а^2+24а-36