0
2 k^2 - k - 4 = 0
2 (k^2 - (1/2)k - 2) = 0
2 ((k - 1/4)^2 - 1/16 - 2) = 0
2 ((k - 1/4)^2 - 33/16) = 0
2 (k - 1/4 - sqrt(33)/4)(k - 1/4 + sqrt(33)/4) = 0
32 (4k - 1 - sqrt(33))(4k - 1 + sqrt(33)) = 0
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An algebraic expression
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How do you you factor 3x squared minus 25x minus 28?
3x squared minus 25x minus 28
