x²*(x+1)-(x+2)(2x-3)=x²*(x-1)
x³+x²-(2x²+x-6)=x³-x²
x²-2x²-x+6=x²
-x+6=0
x=6.
Ответ: x=6.
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x²*(x+1)-(x+2)(2x-3)=x²*(x-1)
x³+x²-(2x²+x-6)=x³-x²
x²-2x²-x+6=x²
-x+6=0
x=6.
Ответ: x=6.