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26 June, 00:22

Solve for x 3x^2-21x+3=0

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  1. 26 June, 00:39
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    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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