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(x+5)^2/x+6 and (x+6)^3/x+5

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Riza1viz
[tex]\frac{(x+5)^2}{x+6 } \cdot \frac{(x+6)^3 }{x+5}=\frac{(x+5)(x+5)}{x+6 } \cdot \frac{(x+6)^2(x+6) }{x+5}=\\\\=(x+5)(x+6)^2 = \\\\=(x+5) (x^2+12x+36)=\\\\=x^3+12x^{2}+36x +5x^2+60x+180=\\\\=x^3+17x^{2}+96x+180[/tex]