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how woud you get the discriminant of 3x^2-k+2kx-2x
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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)
discrimnant is (2k-2)^2-4(3)(-k)
also know as
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7 hours ago