解不等式:(2x-5)^2+(3x+1)^2>13(x^2-10)
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解不等式:(2x-5)^2+(3x+1)^2>13(x^2-10)解不等式:(2x-5)^2+(3x+1)^2>13(x^2-10)解不等式:(2x-5)^2+(3x+1)^2>13(x^2-10)(
解不等式:(2x-5)^2+(3x+1)^2>13(x^2-10)
解不等式:(2x-5)^2+(3x+1)^2>13(x^2-10)
解不等式:(2x-5)^2+(3x+1)^2>13(x^2-10)
(2x-5)^2+(3x+1)^2>13(x^2-10)
4x^2+25-20x+9x^2+1+6x>13x^2-130
-14x+156>0
14x-156
利用2次函数图像解决。
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