SOLUTION: 4z^2=9

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Question 112557: 4z^2=9
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
4z%5E2=9
:
subtract 9 from both sides and you have the difference of squares:
4z%5E2+-+9+=+0
:
Which factors to:
(2z + 3)(2z - 3) = 0
:
2z = -3
z = -3%2F2
and
2z = +3
z = 3%2F2