Respuesta :

Answer:

(3/2) and (-7/3)

Step-by-step explanation:

6x^2+5x-21    factor

6*21=126

14*9=126 and 14-9=5

( 2x-3)(3x+7)

0= 2x-3          0=3x+7      

3=2x              -7=3x

3/2 =x           -7/3=x