The product of the multiplication of the expression as given in the complete task content is; -135/4.
The expression as given in the task content is; (-9/12) × 45.
Hence it follows by reducing the parentheses to the simplified fraction form that ;
-9/12 = -3/4
Hence, -3/4 × 45 = -135/4.
On this note, we can conclude that the result of the product of the expression is; -135/4.
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