Mathematics
Junior High
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単元目「三平方の定理」
xの求め方と答えを教えてください🙇🏻‍♀️

2x x +6 X X =

Answers

✨ Best Answer ✨

(2x)²=x²+(x+6)²
→ 4x²=x²+x²+12x+36
→ 2x²-12x-36=0
→ x²-6x-18=0
→ x=3+3√3 (x>0)

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