(X-3)平方-(X+3)*(X-3)=(X+1)*(X+2)-(X-1)*(X+4)的解

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(X-3)平方-(X+3)*(X-3)=(X+1)*(X+2)-(X-1)*(X+4)的解
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(X-3)平方-(X+3)*(X-3)=(X+1)*(X+2)-(X-1)*(X+4)的解
(X-3)平方-(X+3)*(X-3)=(X+1)*(X+2)-(X-1)*(X+4)的解

(X-3)平方-(X+3)*(X-3)=(X+1)*(X+2)-(X-1)*(X+4)的解
(X-3)平方-(X+3)*(X-3)=(X+1)*(X+2)-(X-1)*(X+4)
x^2-6x+9-x^2+9=x^2+3x+2-x^2-3x+4
-6x+18=6
6x=18-6
6x=12
x=2

x=2