Mathematics
Senior High
〔3〕が分かりません
解き方を教えて欲しいです
(3) abx²-(a2+b²)x+ab
= cibsi
ab
(3) = (ax-b)(bx-a)
a
b
b
a
ab
ab
-62
2
- a²
2
- (a² + b²)
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