Question

помогите пж
√x+3-√x=1

Answer 1

$sqrt{x+3} =1+ sqrt{x} \ ( sqrt{x+3})^2=(1+ sqrt{x} )^2 \ x+3=1+2 sqrt{x} +x \ x+3-1-x=2 sqrt{x} \ 2^2=(2 sqrt{x} )^2 \ 4=4x \ x=4:4 \ x=1$