Выражение а) -6(m+4)(m-4) b) (5a²- b)(b+5a²)-25a^4 d) 0,36n²-(0,6n-n²)(0,6n+n²)

А) -6(m^2-16) или 96-6m^2

b) 25a^4-b^2-25a^4=-b^2

c) 0,36n^2-(0,36n^2-n^4)=n^4

а) -6(m+4)(m-4)=-6(m²-16)=96-6m²
b) (5a²- b)(b+5a²)-25a^4=25a^4-b²-25a^4=-b²
d) 0,36n²-(0,6n-n²)(0,6n+n²)=0,36n²-0,36n²+n^4=n^4