SOLUTION: the sum of a number and its square is 20, find the numbers?

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Question 463583: the sum of a number and its square is 20, find the numbers?
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

let number be
if the of a and is , you have

..use quadratic formula






solutions:



or




check:
if :...-> .-> .->

if :...-> .->

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