trippydude4316 trippydude4316
  • 09-10-2017
  • Mathematics
contestada

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

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questionabl3
questionabl3 questionabl3
  • 09-10-2017
X is equal to either 8 or -9
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mtomas598
mtomas598 mtomas598
  • 09-10-2017
The numbers are: 8 & 64

You can figure this out with logic reasoning. Think:

5^2 + 5 = 72?
25 + 5 = 72?
30 = 72 --> not true

So go a little higher:
midway of 5 & 10

8^2 + 8 = 72?
64 + 8 = 72?
72 = 72 --> is true
Answer Link

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