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Q: The sum of the number and its square is 72 what is the number?

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no. 72 is not a square number.

62 + 72 = 85

sum of 14th square number and 10th square number

There are two solution: -3 and +2.

x+x^2=72x^2 +x -72=0 (x+9)(x-8)=0 x=-9 or x=8

72 is rectangular.

25 is a square number, and the sum of 9 and 16 is 25. 9 and 16 are also square numbers.

36 is a perfect square number.

122

The sum of 32 is 9.

5

23+24+25 = 72

The sum of the positive whole-number factors of 30 is 72.

The square root of 72 is an irrational number. Since 72 is not a perfect square, the decimal is endless. (just like the value of pi)

72.

No.

No, they are not.

150 = 12 + 62 + 72 + 82

You take the square root of the number. If it is a perfect square, this will be a whole number. If it is not, it isn't a perfect square.

Because the square root of it is an irrational number

49 is 72 and is the closest square number to 50.

They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

The number is 1.

The number is 7.

11,10