SOLUTION: the sum of two numbers is 12. three times the product of the numbers is 105. what re the twoo numbers?

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Question 130592This question is from textbook
: the sum of two numbers is 12. three times the product of the numbers is 105. what re the twoo numbers? This question is from textbook

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X+Y=12 OR X=12-Y
3XY=105
3(12-Y)Y=105
36Y-3Y^2=105
-3Y^2+36Y-105=0
-3(Y^2-12Y+35)=0
(X-5)(X-7)=0
Y-5=0
Y=5 ANSWER.
Y-7=0
Y=7 ANSWER.