Mathematics
Senior High
Resolved
b（3a-5）-2（3a-5）
から（3a-5）（b-2）になる理由が分かりません
なぜ（3a-5）がひとつになったんですか？
また、b-2はどこから出てきたのですか？
2 因数分解
=A-14A+24
=(スース)-14(オース
=x4-2x²+x²-14x²
ズ_2x2-13x11
(1)b(3a-5)+2(5-3a)=b(3a-5)-2(39-5)
AB+AC=ACB+C)
=(3a-5) (b-2)10
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