Mathematics
Senior High
Solved

矢印のところの変形がよくわからないです。

(3) (与式)=a+(26+1)}{2-(26+1)a+(462-26+1)} =+{(26+1)-(26+1)}a^ +{(462-26+1)-(26+1)^}a + (26+1)(462-26+1) =α-6ba+ (2b)+13 えておくと =α+86-6ab+1

Answers

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