Answer:
0.004.
Step-by-step explanation:
Assuming "x" is 2,
First we work out (x+4) --> (2+4) = (8)
Next we work out (x^2-5x+6) --> ([2^2]-[5x2]+6) = (20)
Next we work out (x^2-16) --> ([2^2] - 16) = (20)
And finally we work out (x+3) --> (2+3) = (5)
Then the final calculation, assuming that the "/" is a dividing symbol, we do:
(8 / 20 / 20 / 5)
So lets do this in parts...
8 / 20 = 0.4
0.4 / 20 = 0.02
0.02 / 5 = 0.004.
So the final answer is 0.004.
I hope this helps somehow.
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