SOLUTION: The sum of a number and its square is 72. Find the number.
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Question 363293: The sum of a number and its square is 72. Find the number.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
x+x^2=72
x^2+x-72=0
(x+9)(x-8)=0
x=-9, x=8 Two answers.
.
Ed
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