SOLUTION: Factor: Factor the product of polynomial 2r^2+5r+4 Please show me the step by step to get the answer. Thanks

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Factor: Factor the product of polynomial 2r^2+5r+4 Please show me the step by step to get the answer. Thanks      Log On


   

Question 462366: Factor: Factor the product of polynomial
2r^2+5r+4
Please show me the step by step to get the answer. Thanks
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




Calculate the discriminant:

Since the discriminant is not a perfect square, the trinomial does not factor over the rationals.

Set the trinomial equal to zero and use the quadratic formula to determine the two complex roots.



Then the factors are:




John

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