SOLUTION: The age of father is twice the square of the age of his son . Eight years hence , father's age will be thrice times as that of his son . Find their present age ?

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Question 798278: The age of father is twice the square of the age of his son . Eight years hence , father's age will be thrice times as that of his son . Find their present age ?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
f=2s^2
f+8=3*(s+8)
f+8=3s+24
f=3s+16
2s^2=3s+16
2s^2-3s-16=0
positive answers only