SOLUTION: paul is 4 years older than his brother anthony.If the product of their ages is 45 how old are they?

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Question 733254: paul is 4 years older than his brother anthony.If the product of their ages is 45 how old are they?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
p=a+4
p*a=45
(a+4)*a=45
a^2+4a-45=0
(a-5)*(a+9)=0
a=5
p=9