Posted by **Julia** on Wednesday, March 6, 2013 at 10:27pm.

how do I solve for 16x^2+56x-120

- algebra I -
**Bosnian**, Wednesday, March 6, 2013 at 10:34pm
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 in rectangle type:

16x^2+56x-120=0

and click option: solve it

You will see solution step-by step

- algebra I -
**Reiny**, Thursday, March 7, 2013 at 10:12am
I assume you meant

solve 16x^2+56x-120=0 , you must have an "equation" to solve for it.

divide by 8

2x^2 + 7x - 15 = 0

(2x-3)(x+5) = 0

x = 3/2 or x = -5

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