SOLUTION: factoring and solving 4a to the 2 power-9=0

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Question 25594: factoring and solving
4a to the 2 power-9=0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
4a^2-9=0
This form is called "the difference of squares".
It factors as follows: (2a-3)(2a+3)=0
a=3/2 or a=-3/2
Cheers,
Stan H.