- #1

p75213

- 96

- 0

## Homework Statement

*Ax[itex]^{2}[/itex]+By[itex]^{2}[/itex]-Mxy*

Capitals are constants.

The equation (one like it) is in a book I am reading where the author procedes to complete the square. He does it in one line without showing the procedure and I am completely baffled.