Mathematics
Senior High
Resolved
展開の問題です。途中式も教えて下さい。
できるだけベストアンサーにします。
(5)(x+2x+2(x-2x+2)
(6) (x+y-2)(z-y+z)
(7) (x² + 1) (x² + 1) (x + 1)(x-1)
(8)(x-1)(x+1)(x-2)(x+2)
(9) (x+4) (x+2) (x-1)(x-3)
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