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I’m in algebra 2 and it’s long division please help

I’m in algebra 2 and it’s long division please help-example-1
User Clizzin
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1 Answer

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(5x^4+10x^3-7x+1)/(x+2)=(5x^4+10x^3-7x+1):(x+2)


_+\begin{matrix}(5x^4&+&10x^3&-&7x&+&1)&:&(x+2)&=5x^3-7\\-5x^4&-&10x^3\end{matrix}\\\overline{_+\begin{matrix}\ \ =&&&&=&\ \ \ -&7x&+&1\\&&&&&&7x&+&14\end{matrix}}\\\overline{\qquad\qquad\qquad\qquad\qquad\qquad\qquad\ 15}



(5x^4+10x^3-7x+1)/(x+2)=(5x^4+10x^3-7x+1):(x+2)=5x^3-7+R(15)\\\\5x^4+10x^3-7x+1=(x+2)(5x^3-7)+15

User Lei Zhao
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