{x+10}x{x+10}=0.25x
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{x+10}x{x+10}=0.25x{x+10}x{x+10}=0.25x{x+10}x{x+10}=0.25x{x+10}x{x+10}=0.25xx^2+20x+100=0.25x4x^2+79
{x+10}x{x+10}=0.25x
{x+10}x{x+10}=0.25x
{x+10}x{x+10}=0.25x
{x+10}x{x+10}=0.25x
x^2+20x+100=0.25x
4x^2+79x+400=0
△=79^2-4*4*400
=6241-6400
=-159
分情况讨论,如果x=0时方程成立,因此一个解释x=0
当x不等于0时,x可以约掉,变为(x+10)^2=0.25
x+10=0.5或者x+10=-0.5可以因此x=-9.5或者x=10.5
答:x=0,或者x=-9.5或x=-10.5
-19/2或-21/2
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