1) ...= 11( m^2-1)
2) ...= 6a(a^2-1)
3) ...= 5x(x^2-y^2) = 5x(x-y)(x+y)
4) ...= 8a^2(b-3c)(b+3c)
5) ...= 2(x^2+ 12xy + 36) = 2(x+6)^2
6) ...= 2a(4a^2(-a^2+1)-1)
7) ...= 5(a-2b^2)(a+2ab^2+4b^4)
8) ...= a(a-b)(a+1)
9) ...= (a-3b)^2(a+3b)
10) ...= -ac^2(c-1)^2(c+1)^2