Let \[ P=\left[\left(\frac{x-y}{2y-x} -\frac{x^2+y^2+y-2}{x^2-xy-2y^2}\right) \div \frac{4x^4+4x^2y+y^2-4}{x^2+y+xy+x}\right] \div \frac{x+1}{2x^2+y+2} \]

Replace \( \displaystyle x=-1.76 \) and \( \displaystyle y=\frac{3}{25} \), what is \( P \) equals to?

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