LIONEL LIM's answer to Awan's 5 Algebra Maths United Kingdom question.

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LIONEL LIM
Lionel Lim's answer
131 answers (Tutor Details)
1st
Hi! There's actually no real roots for this equation of x^4 + x^2 -2x+1=0 as you can see from the graph. The roots give you an imaginary number. If you really want to find the imaginary number roots, you can use the quartic general formula (its really long and tedious
Awan
Awan
5 years ago
Can you please show me how to use the general formula
LIONEL LIM
LIONEL LIM
5 years ago
I actually found the quartic formula on google and wiki but its extremely long. The link is over here if you are interested!

https://upload.wikimedia.org/wikipedia/commons/9/95/Quartic_Formula.jpg