Is negative and negative positive or negative?

Answer 1

It depends on the arithmetic operation you are performing:

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In Addition

Negatives and negatives have a negative sum. The only way to obtain a positive sum is to have a larger positive value than negative value.

(-1) + (-2) = (-3)

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In subtraction

Subtracting a negative number is the same as adding its negative value (which is positive).

(-1) - (-3) = (-1) + 3 = 2

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In Multiplication

The product of two negatives is a positive. The product of a negative and a positive is negative.

(-1) x (-2) = 2

(-3) x (4) = (-12)

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In Division

Dividing a negative by a negative yields a positive number.

Dividing a negative by a positive, or a positive by a negative, yields a negative number.

(-4) / (-2) = 2

(-4) / 2 = (-2)

4 / (-2) = (-2)

By re-multiplying from the results, you can see that this holds true.