Mathematics
Senior High
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この式の変形の仕方について教えてください😓

2+9 (エグサミニーメオ2オー陸2

Answers

Answers

(a+b)/c=a/c+b/cの変形です。
{(x+2)^2+9}/(x+2)=(x+2)^2/(x+2)+9/(x+2)
よってx+2+9/(x+2)

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