Question

разложить на множители -5аm^3n^4 - 20am^5n^6

Answer 1

= - 5аm^3n^4 • ( 1 + 4m^2n^2 )

Answer 2

-5am^3n^4-20am^5n^6=-5am^3n^4(1+4m^2n^2)=-5am^3n^4(1+2mn)(1-2mn)