


\[\boxed{\text{869\ (869).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[y = 5x - 6\]
| \[x\] | \[0\] | \[1\] |
|---|---|---|
| \[y\] | \[- 6\] | \[- 1\] |
\[y = - 2x + 1\]
| \[x\] | \[0\] | \[1\] |
|---|---|---|
| \[y\] | \[1\] | \[- 1\] |

\[Ответ:(1;\ - 1).\]

\[\boxed{\text{869.\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ a³ + 3a² + 3a + 1 = (a + 1)³\]
\[2)\ b³ - 6b^{2} + 12b - 8 =\]
\[= (b - 2)³\]