方程题(x-5)^2+(-2X-1)^2>5(X^2-10)
问题描述：
方程题(x-5)^2+(-2X-1)^2>5(X^2-10)
(x-5)^2+(-2X-1)^2>5(X^2-10)
解方程 （X-2)^2-(Y-3)2=(X+Y)(X-Y)①
﹛
(X-3Y=2 ②
答
(1) (x-5)²+(-2X-1)²>5(X²-10)
x²-10x+25+4X²+4x+1>5X²-50
-6x>-76
x