已知实数xy满足x^2+4y^2+2x-4y+2=0,求x^2y+2x的值

已知实数xy满足x^2+4y^2+2x-4y+2=0,求x^2y+2x的值
已知实数xy满足x^2+4y^2+2x-4y+2=0,求x^2y+2x的值

已知实数xy满足x^2+4y^2+2x-4y+2=0,求x^2y+2x的值
等式可以化为（x+1）²+(2y-1)²=0.所以x=-1.y=0.5在计算,结果为-3