✨ Best Answer ✨
(-5q+13)²+q²=13
→ 25q²-130q+169+q²-13=0
→ 26q²-130q+156=0 ÷13して
→ 2q²-10q+12=0
→ q²-5q+6=0
下線部の式の途中式を詳しく教えて頂きたいです。
✨ Best Answer ✨
(-5q+13)²+q²=13
→ 25q²-130q+169+q²-13=0
→ 26q²-130q+156=0 ÷13して
→ 2q²-10q+12=0
→ q²-5q+6=0
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