Respuesta :

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ax^2+bx+c=0



disctirminant =b^2-4ac



9x^2-10x+2=0



a=9 b= -10 c=2



disctirminant = (-10)^2-4.9.2


disctirminant = 100-72


disctirminant = 28


x1= -(-10)+square root of28/2.9


x1=5+ square root of 7/9


x2= 5- square root of 7/9

Answer:

28

Step-by-step explanation:

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