Question 1002437

1).  

{{{(2m^2+n)(3n^2+6mn-m^2)}}}

{{{3n^2*2m^2+6mn*2m^2-m^2*2m^2+3n^2*n+6mn*n-m^2*n}}}

{{{6n^2*m^2+12m^3n-2m^4+3n^3+6mn^2-m^2n}}}

{{{-2m^4+12m^3n+6m^2n^2+6mn^2+3n^3-m^2n}}}


2). 

{{{(4x-5)(2x^5+x^3-1)}}}

{{{2x^5*4x+x^3*4x-1*4x-5*2x^5-5*x^3-5*(-1)}}}

{{{8x^6+4x^4-4x-10x^5-5x^3+5}}}

{{{8x^6-10x^5+4x^4-5x^3-4x+5}}}