Question 1044588: solve for x:
21x^4+40x^3-19x^2+438x+282=0
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! solve for x:
21x^4+40x^3-19x^2+438x+282=0
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There are no integer solutions.
You can find 2 real solutions using graphical methods, then the 2 complex solutions.
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You can use Newton's method to find the 2 real solutions, or the graph at
www.padowan.com to 12 decimal places.
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