Mathematics
Senior High
(6)番の問題の解説をお願いします🙇♀️🙏🙇♀️
5 2 次の式を展開せよ。
(1) (2m+5)(m-2)
(3) (-x-2)²
(5) (x-a+1)²
(2) (4x-5a)(4x+5a)
(4) (x-a)(a+x)
(6) (a+b-c)(a-b+c)
う。
有理
m
1
(3) x² + 4x+4 (4) x²-a²
(5) x²-2ax+ a²+2x-2a+1_________________
(6) a²-b²+2bc-c²
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