2y³-5y²-19y+42 using factor therom
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alpha+beta+gamma=-b/a
-(-5)/2
=5/2
alphabeta+beta gamma+gammaalpha=c/a
=-19/2
alpha×beta×gamma=-d/a
=-42/2=-21
mark me as briallenist
-(-5)/2
=5/2
alphabeta+beta gamma+gammaalpha=c/a
=-19/2
alpha×beta×gamma=-d/a
=-42/2=-21
mark me as briallenist
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