SOLUTION: FACTOR m^2 + 20 + 21m with steps. Is the answer prime? FACTOR 6x^2 - 4x -5 with steps. Is the answer prime? FACTOR 6z^2 - 13z + 5 with steps using ac method. Is the answer pr

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Question 1124553: FACTOR m^2 + 20 + 21m with steps. Is the answer prime?
FACTOR 6x^2 - 4x -5 with steps. Is the answer prime?
FACTOR 6z^2 - 13z + 5 with steps using ac method. Is the answer prime?

Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
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FACTOR 6z^2 - 13z + 5 with steps using ac method. Is the answer prime?
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Just checking different linear factor combinations
, and no other combination will do this.



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FACTOR 6x^2 - 4x -5 with steps. Is the answer prime?
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Different simple linear factor combinations seem to not give matching results.
Discriminant is , which is not a perfect square; and its square root is not an integer.

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