Question

(4x^2+6xy^2+9y^4)(2x+3y)^2 помогите решить пж

Answer 1

(4x^2+6xy^2+9y^4)(2x+3y)^2=(4x^2+6xy^2+9y^4)(4x^2+12xy+9y^2)= 
36x^2y^4+108xy^5+81y^6+24x^3y^2+72x^2y^3+54xy^4+16x^4+48x^3y+36x^2y^2