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=n^2 +n =n(n+1) since either n or n+1 has to be even (consecutive numbers) the answer always is an even number

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Is an even number plus an even number always even?

Yes, an even number plus an even number is always even. Also, and odd number plus an odd number is always even.


What is even plus an even number?

always even


The sum of a number plus 3 is squared is 11 more than the sum of the number plus 2 when squared What is the number?

When the sum of a number plus 3 is squared, it is 11 more than the sum of the number plus 2 when squared.


What does odd plus even equal?

An odd number plus an even number will always be an odd number.


Does x squared plus x plus 41 always equal a prime number?

No. it's not a prime number when x = 40, 41, 81,82 ...


Why is the sum of an odd or even number odd or even?

The sum of an odd and even number is always odd because there's always one left over. Think of any odd number as being any even number plus one. If you add two even numbers, the answer is always even. If you add an even and an odd (plus one), the answer is always odd.


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When the sum of a number plus 3 is squared it is 11 more than the sum of the number plus 2 when squared?

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When the sum of a number plus 3 is squared it is 13 more than the sum of the number plus 2 when squared?

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When the sum of a number plus 3 is squared it is thirteen more than the sum of the number plus 2 when squared?

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When the sum of a number plus three is squared it is 13 more than the sum of the number plus two when squared.?

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