Answer:
Explanation:
You know that the expression is:
You need to remember that:
Then, knowing this, you can simplify the expression:
Now, you need to reduce :
Finally, rewritting the expression, you get this result:
bc/5
8bcd
-------------
40d
Divide this into pieces
8 b c d
----- * ------ * ----- * -------
40 1 1 d
Cancel like terms
1 b c 1
5 1 1 1
This leaves us
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