Ответ:
1) 7х^2+8х+16
2) n^2-9
3) у^2-8у-16
4) m^3-9m^2-27m-27
5) x^2+6x+9
6) a^3+1
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Ответ:
1) 7х^2+8х+16
2) n^2-9
3) у^2-8у-16
4) m^3-9m^2-27m-27
5) x^2+6x+9
6) a^3+1