Mathematics
Junior High
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(−5a/4+5)×5a/4)=4 
答え:4/5.16/5です

途中式を教えてください🙇🏻‍♀️

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✨ Best Answer ✨

両辺16倍して、
(-5a+20)×5a=64
25a²ー100a+64=0
(5x-4)(5x-16)=0
x=4/5,16/5

🍂(返信遅めです)

ありがとうございます🙇🏻‍♀️

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