Ответ:
\(3a^2-12=3(a^2-4)=3(a-2)(a+2)\).
\(64a-a^3=a(64-a^2)=a(8-a)(8+a)\).
\(c^3-\frac{25}{36}cd^2=c\left(c^2-\frac{25}{36}d^2\right)=\frac{c}{36}(6c-5d)(6c+5d)\).
\(3a^2-12=3(a^2-4)=3(a-2)(a+2)\).
\(64a-a^3=a(64-a^2)=a(8-a)(8+a)\).
\(c^3-\frac{25}{36}cd^2=c\left(c^2-\frac{25}{36}d^2\right)=\frac{c}{36}(6c-5d)(6c+5d)\).