Q: Find a positive number that equals 12 when added to its square?

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82+8 = 72

1 is the number you are looking for.1 + 12 = 1 + 1 = 2.QED

I recently studied a magic square. It is a square that when each row, diagonal, horizontally, or vertically is added up, it equals the same positive integer.

49-apex

If a positive and negative number are added together, and the positive number has a greater value, the sum will be positive.

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102 +10=110

82+8 = 72

1 is the number you are looking for.1 + 12 = 1 + 1 = 2.QED

6

X^2 + x = 56 ie x(x +1) = 56 so x is 7

I recently studied a magic square. It is a square that when each row, diagonal, horizontally, or vertically is added up, it equals the same positive integer.

49-apex

6

take any negative number, and subtract a positive number..that is the same as adding a negative number and two negative numbers added together are a negative number.

If a positive and negative number are added together, and the positive number has a greater value, the sum will be positive.

Any positive number added to it's negative is always = 0

If "a" is multiplied or divided by a positive it will be negative.If "a" is added to a number less than 23 it will be negative.