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19 October, 23:03

Solve by using quadratic formula:

1. 3x square + x - 3 = 0

2. 3x square - 5x = 4

3. (x+4) (x-3) = 0

4. 2x (3x-4) = 0

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Answers (1)
  1. 19 October, 23:20
    0
    1 - x=-1 + square root37/6

    2 - x=5+square root 73/6

    3-x=3,-4 or - 4,3

    4 - x=4/3,0 or 0,4/3
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