Question

If the sum of the number and its square is 132 then what is the number

Answer 1

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Answer 2

Let the number be x. Then its square is x2.

x2+x=132

x2+x−132=0

(x+12)(x−11)=0

x=−12and11

∴The number is either −12 or 11.

Hopefully this helps!

 

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