SOLUTION: ben is 2 years older than Kenny. The product of their ages is 63 years. Find Kenny's age.

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Question 839621: ben is 2 years older than Kenny. The product of their ages is 63 years. Find Kenny's age.
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

ben is 2 years older than Kenny's age highlight_green%28x%29

Question states***product of their ages is 63 years

 (x+2)x = 63

 x^2 + 2x - 63 = 0      | factoring

(x + 7)(x-9)=0,   x = 9yr , Kenny's age.

Using positive solution only for number of years

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