How do I answer:

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

Cheers

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- Apr 18th 2010, 07:22 PMAJShawSimplifying
How do I answer:

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

Cheers - Apr 18th 2010, 09:34 PMsa-ri-ga-ma
- Apr 18th 2010, 09:52 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, 10:00 PMmathwhat
or just:

(Rock)