SOLUTION: Hello there, I'm having issues with word problems. The sum of two numbers is 17 and their product is 42. Find the two numbers.
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Question 445170
:
Hello there,
I'm having issues with word problems.
The sum of two numbers is 17 and their product is 42. Find the two numbers.
Answer by
scott8148(6628)
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"The sum of two numbers is 17" ___ x + y = 17 ___ x = 17 - y
"their product is 42" ___ x*y = 42
substituting ___ x(17-x) = 42 ___ 17x - x^2 = 42
0 = x^2 - 17x + 42
factoring ___ 0 = (x - 14)(x - 3)
x is 3 or 14 and y is the other one