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..........................-example-1

2 Answers

5 votes
I think the answer might be a
User Omu
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5 votes


(6)/(10x^2)/(6)/(10x^3+60x^2)=(6)/(10x^2)\cdot(10x^3-60x^2)/(6)\\\\=(1)/(10x^2)\cdot(10x^2(x-6))/(1)=x-6\to A.

User Kacper Wiszczuk
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