f(x)=-2(x-1)^3(x+2)^2
f(X)=−2(x−1)3(x+)2f(X)=-2(x-1)^3(x+)^2f(X)=−2(x−1)3(x+)2
=−2(x3−13−(3×x×1)(x+1)(x2+4+4x)=-2(x^3-1^3-(3\times x\times 1)(x+1)(x^2+4+4x)=−2(x3−13−(3×x×1)(x+1)(x2+4+4x)
=−2(x3−1−3x(x−1)(x2+4+4x)=-2(x^3-1-3x(x-1)(x^2+4+4x)=−2(x3−1−3x(x−1)(x2+4+4x)
=[−2x3+2+6x(x−1)](x2+4+4x)=[-2x^3+2+6x(x-1)](x2+4+4x)=[−2x3+2+6x(x−1)](x2+4+4x)
=[−2x3+2+6x2−6x](x2+4+4x)=[-2x^3+2+6x^2-6x](x^2+4+4x)=[−2x3+2+6x2−6x](x2+4+4x)
=−2x5−8x3−8x4+2x2+8+8x+6x4+24x2+24x3−6x3−24x−24x2=-2x^5-8x^3-8x^4+2x^2+8+8x+6x^4+24x^2+24x^3-6x^3-24x-24x^2=−2x5−8x3−8x4+2x2+8+8x+6x4+24x2+24x3−6x3−24x−24x2
=−2x5−2x4+10x3+2x2−16x+8=-2x^5-2x^4+10x^3+2x^2-16x+8=−2x5−2x4+10x3+2x2−16x+8
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