Mathematics
Senior High
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答えを見たけど意味が分かりません。。
詳しく教えて欲しいです、、🙇🏻♀️
(3) (α+b+c)(a+6-c)(a-b+c)(a-b-c)
= {(a+b)+c}{(a+6)-c{(a-b)+c{(a-b)-c}
= {(a+b)?-c°}{(a-b)?-C}
= {c°-(a+6)°}{c°- (α-b)?}
= c*-{(α°+2ab+6°)+(α°-2ab+16°)}c°+(α°ーぴ)?
= c-(2a°+26)c? +α-2d'b+
= a*+6+c*-2α'6°-26°c°-2c'a°
ニ
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