7. The sum of the ages of a father and his son is 45 years. Five years ago, the product
of their ages was 34. Find their present ages.
Answers
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Step-by-step explanation of Answer:
let ages of son and father be x and 45-x
(x-5)(45-x-5)=34
(x-5)(40-x)=34
40x-200-x^2+5x=34
-x^2+45x-234=0
x^2-45x+234=0
(x^2-6x) (-39x+234)
x(x-6) -39(x-6)
=(x-39) (x-6)
x=39 or x=6
age of son is 6 and age of father is 39
PLEASE MARK BRAINLIEST!!!
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