Posted by Ashley on Thursday, July 28, 2011 at 12:44am.
Start by rearranging into
2a^2-7a+3=0
Then either use the formula or it is possible to see the roots by inspection.
(a-3)(a-1/2)=0
2a^2+3=7a
2a^2-7a+3=0
2a-1)*(a-3)=0
2a-1=0 or a-3=0
a=1/2 or a=3
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