1 | initial version |

You can use the method `.rhs()`

(for right hand side) as follows:

```
sage: a = solve(1-z-z^2==0,z)[0].rhs()
sage: a
-1/2*sqrt(5) - 1/2
```

2 | No.2 Revision |

You can use the method `.rhs()`

~~(for right ~~or `.right `

`hand `

as follows:~~side) ~~side()

```
sage: a = solve(1-z-z^2==0,z)[0].rhs()
sage: a
-1/2*sqrt(5) - 1/2
```

3 | No.3 Revision |

You can use the method `.rhs()`

or

as follows:~~.right hand side()~~.right_hand_side()

```
sage: a = solve(1-z-z^2==0,z)[0].rhs()
sage: a
-1/2*sqrt(5) - 1/2
```

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