SOLUTION: one positive integer is 5 less than 3 times another and their product is 78 .what are two integers?

Question 670083: one positive integer is 5 less than 3 times another and their product is 78 .what are two integers?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

one positive integer is 5 less than 3 times another 

and their product is 78

Translate into an equation: 

  xy = 78     ||

 x(3x-5) = 78

 3x^2 - 5x - 78 = 0

factoring

(3x +13)(x - 6) = 0  x = 6   (throwing negative fractional solution)

two integers are: 6, 13





   

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