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OpenStudy (anonymous):
Find all solutions of the equation correct to two decimal places: x^4-x=9
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OpenStudy (anonymous):
using "solver" on my ti-84 the solutions I got -10, -1.65,1.81, but this is not correct.
hartnn (hartnn):
if can use calculator, use wolf instead.... http://www.wolframalpha.com/input/?i=x%5E4-x%3D9
OpenStudy (anonymous):
o_O that website is uh-mazing, thanks :))
hartnn (hartnn):
welcome :)
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