SOLUTION: find two factors of 28 with the sum of 11?
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Question 106125: find two factors of 28 with the sum of 11?
Answer by alvinjohnburgos(11) (Show Source): You can put this solution on YOUR website!
If we use x and y as variables for the factors:
eq1
eq2
isolate y in eq2:
Substitute (11-x) for y in eq1:
Quadratic formula:
Simplifying:
Substitute values in eq2:
So, the two factors are 7 and 4.
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