How do I answer:

(2z-1)^2 - 3(2z-1)

Cheers

Printable View

- Apr 18th 2010, 06:22 PMAJShawSimplifying
How do I answer:

(2z-1)^2 - 3(2z-1)

Cheers - Apr 18th 2010, 08:34 PMsa-ri-ga-ma
- Apr 18th 2010, 08:52 PMmachack
(2z-1)^2 - 3(2z-1)

(2z-1)(2z-1) - 3(2z-1)

(2z-1) is common in both terms so you can factor that out

(2z-1) * ((2z-1) - 3)

(2z-1)(2z-4) - Apr 18th 2010, 09:00 PMmathwhat
or just:

$\displaystyle 4Z^2-10Z+4$

(Rock)