Question

(X-2)^2=3x+8 решите плиз

Answer 1

$(x-2)^{2} =3x+8 x^{2} -4x+4=3x+8 x^{2} -7x-4=0 D=(-7)^{2} -4*-4=49+16=65 x{1}= (7+ sqrt{65})/2 x{2}= (7- sqrt{65})/2$