SOLUTION: Please simplify (5.3)2-5(3)2

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Question 170389: Please simplify (5.3)2-5(3)2
Found 2 solutions by checkley77, Rachel13:
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(5.3)2-5(3)2 I'll assume the 2s are (^2) powers
5.3^2-5*3^2
28.09-5*9
28.09-45=-16.91 ans.

Answer by Rachel13(1) About Me  (Show Source):
You can put this solution on YOUR website!
(5.3)2-5(3)2
10.6-15*2
10.6-30
Answer: -19.4