Respuesta :

Step-by-step explanation:

4x^2-7x=3

4x^2-7x-3=3-3

4x^2-7x-3=0

X1,2= -(-7)±√(-7)^2-4*4(-3)/2*4

x1,2= -(-7)±√97/2*4

X=7+√97 /8,X=7-√97 /8

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