Заполни пропуски

1. \(9x^2-\) [ ] \(=(3x-1)(\) [ ] \(+1)\) .
2. \(\dfrac{4}{9}m^6-\) [ ] \(^4=\bigg( \dfrac{2}{3}m^3-\) [ ] \(\bigg) \bigg( \) [ ] \(m^3+n^2\bigg) \) .