Mathematics
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二次方程式の問題で(9)の問題の解き方が分からないので教えて頂きたいです( Ꙭ )💭
見えずらく申し訳ないです💦

3)² = 84 ( 5 (x-3)2-80-0
二次方程式

Answers

✨ Best Answer ✨

→ 5(x-3)²=80
→ (x-3)²=16
→ x-3=±4
→ x=3±4
→ x=7,-1

♡ㅣ

ありがとうございます( ᵕᴗᵕ )

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