Solve-equation-X-4-3X-2-2-0-

Question Number 12435 by Mr Chheang Chantria last updated on 22/Apr/17

Solve equation

X_{4} - 3 X_{2} + 2 = 0

Commented by mrW1 last updated on 22/Apr/17

w h a t d o y o u m e a n w i t h X_{4} a n d X_{2} ?

i f t h e y a r e n o r m a l r e a l n u m b e r s,

t h e s o l u t i o n i s

X_{2} = t = a n y r e a l n u m b e r

X_{4} = 3 t - 2

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