SOLUTION: pls I need an answer, what is X: X³ + 4.9X² - 25.6 =0

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Question 1121465: pls I need an answer, what is X:
X³ + 4.9X² - 25.6 =0
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
X³ + 4.9X² - 25.6 =0
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Use Newton-Raphson
1 real solution:
n	               x	accuracy(x)	f(x)
1	2.5390625	3	-19.7
2	2.033482417656354590059	2	      22.35843362808227539063
3	1.93852447866709310644	1.9	      3.070301622135561357529
4	1.935276011437993771774	1.94	      0.098334908130283648273
5	1.935272268514170001019	1.93527	      1.1304223064011032E-4
6	1.935272268509203923321	1.93527226851	1.49983017918E-10
7	1.935272268509203923321	1.935272268509203923321	0

X = ~1.935272268509203923321
What does having the answer accomplish?
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