To simplify this expression, we need to first simplify the expression inside the parentheses:
-3/8 - 1/4 = -3/8 - 2/8 = -5/8
Now, we can substitute this simplified expression back into the original expression:
-5/8 (-5/8) = (-5/8) * (-5/8) = 25/64
So, the simplified expression is 25/64.
-5/8 (- 3/8 - 1/4)
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