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OpenStudy (anonymous):
the product of two numbers is 77, the sum of the two numbers is 18. find the two numbers.
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OpenStudy (anonymous):
11 and 7
OpenStudy (anonymous):
s11and 7
OpenStudy (anonymous):
x * y = 77 x + y = 18 use this idea
OpenStudy (anonymous):
x*y = 77 y = (77/x) x+y = 18 x+(77/x) = 18 x^2 - 18x + 77 = 0 solve the above x = 11,7 So, 2 numbers are 11 & 7
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