0 votes 0 votes If $x$ and $y$ are real numbers such that $x^{2}+(x-2 y-1)^{2}=-4 y(x+y)$, then the value $x-2 y$ is $1$ $2$ $-1$ $0$ Others cat2023-set1 quantitative-aptitude + – admin asked Mar 30 • edited Mar 30 by makhdoom ghaya admin 4.5k points 66 views answer comment Share See all 0 reply Please log in or register to add a comment.