Задание
Дополните правильные варианты группировки слагаемых и разложите на множители в произведение двучлена и трехчлена:
\(\displaystyle \color{red}{21v^{\,13}}-35v^{\,9}+15v^{\,10}-\color{blue}{25v^{\,6}}-\color{red}{21v^{\,4}}+\color{blue}{35}=\)
\(\displaystyle =(\color{red}{21v^{\,13}}\)[?|+|-][ ]\(\displaystyle -\color{red}{21v^{\, 4}})(\)[?|+|-|][ ]\(\displaystyle -\color{blue}{25v^{\,6}}+\color{blue}{35})=\)
\(\displaystyle =\big(\)[ ]\(\displaystyle \big)\big(\)[ ]\(\displaystyle \big)\)