Mathematics
Senior High
数学Iのこの問題が分かりません💦解き方がわかる方がいれば、分かりやすく説明していただきたいです!
(5) x²-1+ ax² - a RE
= (x^²-1) + a (x²-1)
= (₁+ a) (x² - 1)
$0
(6) x²-5xy+6y²-x+y-2
2
= x² + x ( -57 - 1) + 6y + y = 2
312 +4
2-1-3
= 2²³² + x (-5 Y-1) + (3.J+2) (2.Y-1)
65
=
(x-3y-2)(x-2y+1)
(x-17-2)(x-12+1)
30 SVS+8=x 38-=*]
(1+ a) (x+1)(x-1)
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とても分かりやすかったです!ありがとうございます😭