Question

решить уравнение
(x-5)^2-x^2=3

Answer 1

$(x-5)^2- x^{2} =3 \ x^{2} -10x+25- x^{2} =3 \ -10x=3-25 \ -10x=-22 \ x=2,2$

Answer 2

(х-5)²=х²-10х+25
х²-10х+25-х²-3=0
-10х+22=0
-10х=-22
х=2,2