Mathematics
Junior High
Solved
至急です。ここはなぜb-2をAと置いて解くのか、教えて欲しいです🙇🏻♀️
12(a+b-2)(a−b+2)
(a+A) (a+A)
2
=
94²2 A ²₂
= a ² (6-2) ²
=00² (1/²-4b+ a²=6³²+4b-4
6-2をAとおく
a² b ² + 4b-4
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ありがとうございます✨
助かりました🙇🏻♀️