Mathematics
Senior High

解く過程教えてください!!
因数分解です。

《⑭⑳ 2z2ー2(十1)x一8Z十8(みユエ 1)
⑤) (2g二6一7》一(2一5+7)8 NGU2 4
⑥⑯ ゆー)キア(タータメーカの

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