這條怎樣計？(factorize) x^2 -(y-z)^2?

Wingyiu

2016-08-10 8:41 am

回答 (2)

pui

2016-08-14 5:16 am

x^2 -(y-z)^2
=(x-y+z)(x+y-z)

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Hin Chung

2016-10-12 3:43 am

(x+y-z)(x-y-z)

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