Mathematics
Junior High
このような因数分解を解くコツはありますか？いつもくくりだす場所など間違えてしまい答えが合いません💦
28
次の式を因数分解しなさい。
(1) 4.x (a-1)+2y-2ay
✓ (2) a²+4ab+3b²-6b-2a
√(3) 4.²-y2+4x+1
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