SOLUTION: I don't understand how to work this problem: 3 to the 2nd power -4x3+4/ 9 to the 2nd power

SOLUTION: I don't understand how to work this problem: 3 to the 2nd power -4x3+4/ 9 to the 2nd power - 4 the workbook says the answer is 1/5

Question 331057: I don't understand how to work this problem:
3 to the 2nd power -4x3+4/ 9 to the 2nd power - 4
the workbook says the answer is 1/5
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
3 to the 2nd power -4x3+4/ 9 to the 2nd power - 4
the workbook says the answer is 1/5
--------------
Is it
?
= (5*3 + 4)/(81 - 4)
= 19/77
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Maybe that's not it. Use some parentheses.

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