1÷(x-2)^2×(x^2+x+4)
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Step-by-step explanation:
1/(x-2)^2×(x^2+x+4)
1/(x^2-4)×x^2+x+4
1/(x^4+x^3+4x^2)-(4x^2+4x+16)
1/x^4+x^3+4x^2-4x^2-4x-16
1/x^4+x^3-4x-16
1/x^7-4x-16
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