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A number has the property that its square is equal to 84 more than five times the number. Enter all numbers that have this property.

 

thank you in advance! smiley

 Aug 25, 2022
 #1
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Like so:

 

 

I'll leave you to finish.

 Aug 25, 2022
 #2
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Thank you!

Guest Aug 25, 2022

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