math
posted by WINSTON .
help pleaSE
factorable quadratic equation and solve for the roots: 2x^2 + 13x + 20=0

In google type:
quadratic equation online
When you see list of results click on:
Free Online Quadratic Equation Solver:Solve by Quadratic Formula
When page be open click option
Solve by Factoring (includes Factoring by Grouping)
then in rectangle type
2x^2 + 13x + 20=0
and click option
solve it 
the 13x in the middle indicates you will need 5 as one of the factors of 20, and it cannot be multiplied by 2, so
(2x+5)(x+4)
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