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Really struggling on this & i need someone to help me
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Really struggling on this & i need someone to help me

Really struggling on this & i need someone to help me-example-1
User Gotcha
by
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1 Answer

2 votes

Answer:


x^3+x^2-5x+5-(30)/(x+5)

Explanation:


(x^4 + 6x^3 -20x-5)/(x+5) \\ \\ =(x^3(x+5)+x^3-20x-5)/(x+5) \\ \\ =(x^3(x+5)+x^2(x+5)-5x^2-20x-5)/(x+5) \\ \\ =(x^3(x+5)+x^2(x+5)-5x(x+5)+5x-5)/(x+5) \\ \\ =(x^3(x+5)+x^2(x+5)-5x(x+5)+5(x+5)-30)/(x+5) \\ \\ =x^3+x^2-5x+5-(30)/(x+5)

User AntLaC
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