# How do you solve #x^ { 2} - x - 1= ( x - \frac { 1} { 2} ) ^ { 2} - \frac { 5} { 4}#?

##### 2 Answers

Feb 2, 2017

#### Explanation:

First, you would expand the square

that is an identity and there are

Feb 2, 2017

All values of

#### Explanation:

Expand the quadratic on the right hand side.

Combining like terms, we find that

But, of course, this just means that