Mathematics
Senior High
Solved
(7)の2C×aがあると思うんですけど解答は2Caになってます。2aCじゃないんですかね?
(3) (3x²-4)(2x+5)
*(5) (x²-2xy-y)(x-3y)
*(7)
(3a-4b+2c)(a+2b-5c)
Answers
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なるほど!ありがとうございます!
acでも問題は無いんですかね?