Question 747716
Brandon is five years younger than his brother, the product of their ages is the same as their dad's age. If their dad is 50 this year, how old is Brandon?

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Let x=brother's age
x-5=Brandon's age
x(x-5)=50
x^2-5x-50=0
(x-10)(x+5)=0
x=10
x-5=5
Brandon's age=5