Question

срочно x^2+корень(2-x)=корень (2- x)и плюс 3

Answer 1

$x^2+ sqrt{2-x} = sqrt{2-x}+3 \ x^2=3+ sqrt{2-x}- sqrt{2-x} \ x^2=3 \ x_{1}= sqrt{3} \ x_{2}=- sqrt{3}$