Question #7f638

1 Answer
Mar 11, 2017

#-0.08318671, 0.08369774, 47.26229#

Explanation:

You can solve it with help of inbuilt graphics tool
When plotted it looks like graph below. By suitable manipulation we get three roots for the expression.
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Root 1
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Root 2
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Root 3
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The number of digits in a root depends on the selection of resolution of the tool.