Respuesta :

carlosego
To solve the problem you must apply the proccedure shown below:

 1. You have the following quadratic equation given in the problem:

 9x^2+2x-7=0

 2. When you factor it, you obtain:

 (9x-7)(x+1)=0

 3. Then, you have that the roots of the quadratic equation are:

 (9x-7)(x+1)=0
 x1=7/9
 x2=-1
 

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