Объяснение:
4(a²-b²)= 4(a-b)(a+b)
2m(m+3)+(m-3)(m+3)= (m+3)(2m+m-3)= 3(m+3)(m-1)
3a(b²-16)= 3a(b-4)(b+4)
n(n-5)+(n-5)(n+5)= (n-5)(n+n+5)= (n-5)(2n+5)
Объяснение:
4(a²-b²)= 4(a-b)(a+b)
2m(m+3)+(m-3)(m+3)= (m+3)(2m+m-3)= 3(m+3)(m-1)
3a(b²-16)= 3a(b-4)(b+4)
n(n-5)+(n-5)(n+5)= (n-5)(n+n+5)= (n-5)(2n+5)