Biquadratic

By introducing a new variable solve biquadratic equation:

- x **4 +277 x**2 -15876=0 ; ;

Result

x1 =  9
x2 =  -9
x3 =  14
x4 =  -14

Solution:

Solution in text x__1 =
Solution in text x__1 = : Nr. 1







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