the sum of the square of a positive number and the square of 5 more than the number is 157. what is the number?

the sum of the square of a positive number and the square of 5 more than the number is 157. what is the number?   please help, thanks!!!! :) 

01/15/13

algebra help

One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 45 degrees more than that of the smallest angle. Find the measure of the... more

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