6️⃣のアとイ教えてください - Clearnote

Mathematics

Senior High

almost 4 yearsago

6️⃣のアとイ教えてください

6(x°+3x°+2x+7)(x3+2x°-x+1)を展開すると, xの係数は x3の係数はとなる。とき, z Www w

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