Help please!! Evaluate the expression

Evaluate the expression.:-?

(-9)(-3)(-3)

I assume that you know that ( -9)(-3) means (-9) multiplied by (-3)

Can you tell us:

(-1)(-1) = ??

Please share your work with us indicating exactly where you are stuck - so that we may know where to begin to help you.
 
Does (-1)(-1) = 1

And i'm stuck with the whole problem. I'm suppose to evaluate the expression but don't know where to begin.
 
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