2(x+2)^2-11(x-2)+15=0怎么解

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2(x+2)^2-11(x-2)+15=0怎么解2(x+2)^2-11(x-2)+15=0怎么解2(x+2)^2-11(x-2)+15=0怎么解化为:2x^2-3x+45=0Δ=3^2-4*2*45无

2(x+2)^2-11(x-2)+15=0怎么解
2(x+2)^2-11(x-2)+15=0怎么解

2(x+2)^2-11(x-2)+15=0怎么解
化为:2x^2-3x+45=0
Δ=3^2-4*2*45

无实解

2(x+2)^2-11(x-2)+15=0
[2(x+2)-5][(x+2)-3]=0
(2x-1)(x-1)=0
x=1/2,x=1