Mathematics
Senior High
Solved
青い線の所からどうしてこうなるのかがわかりません🙇♀️
(4) 4a17a2b2+46'=4(Q2)?-17a2b2+4 (62) 2
(与式)
=(a²-4b²)(4a²-b²)
2
=(a+26)(a-2b)(2a+b)(2a-b)
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ありがとうございます!!たすき掛け忘れていたので次から気をつけて解くようにします🙇♀️