hrhunterrush7732 hrhunterrush7732

22-03-2018
Mathematics

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The product of two numbers is 48. their difference is 8. what are the two numbers?

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wolf1728 wolf1728

22-03-2018

A) x * y = 48
B) x -y = 8

A) x = 48/y then substituting this into B)
B) 48/y -y = 8
B) 48 -y^2 = 8y
B) y^2 + 8y - 48 =0
x = 4 y = 12

12*4 = 48
12 -4 = 8

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