Mathematics
Senior High
Solved
(4)の問題です。
なぜ、4(x+y+z)(x-y-z) はダメなのかを
教えてください🙇♀️
(4)
*(4) 4x²-(y+z)²
A
*(2) r4-13r²+36
SI
与式=(2x)-(y+z)2
=
{2x+(y+z)}{2x-(y+z)}
=(2x+y+z)(2x-y-z)
Answers
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なるほど!!ありがとうございます🙇♀️