Math Help - Solving a limit by multiplying by conjugate

1. Solving a limit by multiplying by conjugate

Some of my algebra is really rusty, so I apologize. I cannot figure out how to get any farther in this problem. See the attachment.

thanks

2. Originally Posted by mojo0716
Some of my algebra is really rusty, so I apologize. I cannot figure out how to get any farther in this problem. See the attachment.

thanks
$(2x + 1) - 3 = 2x - 2 = 2(x - 1)$

Does something cancel?

-Dan

3. Originally Posted by topsquark
$(2x + 1) - 3 = 2x - 2 = 2(x - 1)$

Does something cancel?

-Dan

ah you can factor out a 2....

thanks!