Ответ:
- а) \(\tilde{o}-64\tilde{o}^3=\tilde{o}(1-64\tilde{o}^2)=\tilde{o}(1-8\tilde{o})(1+8\tilde{o})\).
- б) \(5\tilde{a}^2-20\tilde{a}+20=5(\tilde{a}^2-4\tilde{a}+4)=5(\tilde{a}-2)^2\).
- в) \(3a^2-3b^2-a+b=3(a-b)(a+b)-(a-b)=(a-b)(3a+3b-1)\).
Ответ: а) \(\tilde{o}(1-8\tilde{o})(1+8\tilde{o})\); б) \(5(\tilde{a}-2)^2\); в) \((a-b)(3a+3b-1)\).
