Polynomial equation: x3 + 6x2 - 40x = 192

Mathematics

2 answers:

gregori [183]3 years ago

5 0

Answer:

x= -4

x= -8

Step-by-step explanation:

Hope this helps

ankoles [38]3 years ago

4 0

If we substitute the correct value of x into the right side of the given expression, it should yield 192.

Test x = -8
(-8)^3 + 6(-8)^2 - 40(-8) = 192 Correct
Test x = -4
(-4)^3 + 6(-4)^2 - 40(-4) = 192 Correct
Test x = 6
6^3 + 6(6^2) - 40(6) = 192 Correct

All solutions make sense, so none of them should be eliminated.

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Step-by-step explanation:

Data Given are as follows.

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Truck operation departure rate is given, β= 48 / day

A constructed queuing model is such that so that queue lengths and waiting time can be predicted.

In queuing theory, we have to achieve economic balance between number of customers arriving into system and that of leaving the system whether referring to people or things, in correlating such variables as how customers arrive, how service meets their requirements, average service time and extent of variations, and idle time.

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