factorization?

Mandy_Y

2016-10-31 11:56 am

(a)3m^(2)-mn-2n^(2)

(b)3m^(2)-mn-2n^(2)-m+n

回答 (1)

Hin Chung

2016-10-31 12:07 pm

✔ 最佳答案

a)(3m+2n)(m-n)
b)(3m+2n)(m-n)-(m-n)
=(3m+2n-1)(m-n)

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