Question 465255: How do I factor 2z^2-5z-3 and 2z^2+13z+6?
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! factor 2z^2-5z-3
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Use inverse-FOIL
2z^2-6z+z-3
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2z(z-3)+(z-3)
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= (z-3)(2z+1)
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2z^2+13z+6?
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= 2z^2+12z+z+6
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= 2z(z+6)+(z+6)
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= (z+6)(2z+1)
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Cheers,
Stan H.
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