Mathematics
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=2個目から先が分かりません
解説お願いします🥺
ーニ 。
(2) α'+6ab-86+1
3
=α-86°+146ab=α°+(-26)+1°-3a·(-26) 1
={a+(-26)+1}{a?+(-26) +12_a-(-25)-(-26)-1-1-a
(-cla]
=(a-26+1Xα+46 +1+2ab+26-a)
=(a-26+1)(a?+2ab+46°-a+26+1)
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