Mathematics
Junior High
2️⃣の(1)です。
解説よろしくお願いします🙇🙇
2 次の式を因数分解しなさい。
(1) x²(a-b) - a+b
Lv.4
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DOVIE
3 次の問いに答えなさい。
□(1) (x-3y) (2x+y)(x+3y) (2æ-y) を展開したと
] (2) 多項式(a+4) (2a-2)-(a−2)(a+8) + (a-
]
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