How do I answer: (2z-1)^2 - 3(2z-1) Cheers
Follow Math Help Forum on Facebook and Google+
Originally Posted by AJShaw How do I answer: (2z-1)^2 - 3(2z-1) Cheers How do you simplify (a - b)^2 ?
(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)
or just: $\displaystyle 4Z^2-10Z+4$
View Tag Cloud