Mathematics
Junior High
Solved
どのような手順でこのように変形するのですか？
=(A+B)² − (A−B)² =
(2 = (A+B+A−B) (A+B=A+B) S
A-2)S
2=E+S
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![中学3年2次方程式の問題です。
問題文の[1つだけ整数の解をもつとき]と[2つの異なる整数... - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1808181/thumb_l_webp_17834198910490.webp?Expires=1783510840&Signature=DCAsyvr~8Xf1Dfjb8MzTxdF9fPmKZxYFGG4urHZiL8O0oeKAuvzhvA7mLQSSSFFQq8eiwo83dKAXQ7BLvV6g8RPTQiSalI3DN1mYfSNAREtnQJIlohYe~jKsYKHya9Jb9Jw1vFQqs-9Igh6Uig9HowLt4RCylX~M~vfBKGwpFJ-yKdwJXFMpSDf5rsFLr04C-V7MlSVT4zbkfW0LDt86vxSO2XDv8ICCNheJ9lYwWuDGxXLQPlBrgG5zg0ujiuK8FjhwGLJmzoXKhAJ2CBbEIdZToRIla7jtLck1hdoKsG8gB2zMBEREgQU5x3OMoj4aPjTmD3HhyrgbkLfqPc8x9Q__&Key-Pair-Id=K2W722D70GJS8W&Expires=1783510840&Signature=zURW-BAWTbdwUaRcOqTwTCId2-o2BKlA1SBStLsVB4cDM3D4p4mEGwiT2ymHhm51kS8ZFRwdfI9ZDFHdQnSZt9lx6KlS800~3BmX5K0uC2GCvpUs8GccIyfuDcVRDx5Xrc7Ab3E9dETdtWIA8LHIp6p3LbJoD6AaNWs~7sA1-WVWigkrTK4QxYOfbJHaT2QoskmjkVLZTuVq13XzWXTUnEkig5-mUIm5OKV-PQ61H0PfdObJ6sYb9C4zWou9jgjb7uDI5cEIdOzUpjLr5id-yC6C1PtxCYvYAxCIZUUo6bvN8J16B9SKd6AaQM8MjSIPhCewnwjsw3LfsZ~aZz~HqQ__&Key-Pair-Id=K2W722D70GJS8W)
ありがとうございます！