4 years ago

3. Which expression is equivalent to 0? A. O a+(-a) B.O a-(-a) C. (a)(-a) D.

Mathematics

1 answer:

garik1379 [7]4 years ago

5 0

A. a + ( - a)

Because it’s the same thing as: a - a

And if you plug in any value for example:
2 - 2 that would be 0

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