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Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring.

−b b^2 − 4ac 2a

Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation:

4x^2 + 6x + 2 = 0

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  1. can be solved by factoring. ??

    I wonder if your teacher meant "can have real roots". All can be factored, however, if the (b^2-4ac) is negative, the roots are complex, and Difficult to factor, however, they can be solved by factoring.

    b^2-4ac
    36-34...=4

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    bobpursley

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