ara10
ara10
30-01-2017
Mathematics
contestada
Solve for x 3x^2-21x+3=0
Respuesta :
kernishawillams2001
kernishawillams2001
02-02-2017
3x2−21x+3=0
Step 1: Use quadratic formula with a=3, b=-21, c=3.
x=−b±√b2−4ac2a
x=−(−21)±√(−21)2−4(3)(3)2(3)
x=21±√4056
x=72+32√5 or x=72+−32√5
answer
x=72+32√5 or x=72+−32√5
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