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Mathematics
OpenStudy (anonymous):

how woud you get the discriminant of 3x^2-k+2kx-2x

OpenStudy (anonymous):

compare ur expression to ax^2 + bx + c the discriminant = b^2 - 4 ac in the above case this is (2kx-2x)^2 - 4 * 3 * (-k)

myininaya (myininaya):

3x^2+x(2k-2)-k discrimnant is (2k-2)^2-4(3)(-k)

OpenStudy (anonymous):

Thanks Guys...

OpenStudy (anonymous):

also know as \[4k^2+4k+4\]

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