SOLUTION: 4z^2=9

Algebra.Com
Question 112557: 4z^2=9
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!

:
subtract 9 from both sides and you have the difference of squares:

:
Which factors to:
(2z + 3)(2z - 3) = 0
:
2z = -3
z =
and
2z = +3
z =

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