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Popular Word Problems >

The sum of a number and its square is 72. What is the number

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Solution

Thesumofanumberanditssquareis72.Whatisthenumber

Solution

Thenumber:8or−9
Solution steps
Represent the number with x
A.T.Q.:x+x2=72
Solve for x,x+x2=72:x=8,x=−9
Thenumber:8or−9

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