Factorization of polynomials

2008-09-13 2:03 am
-12x^2+15+11x
= -(12x^2-15-11x)
= -(3x-5)(4x+3)

Do I need to put back the negative sign into the bracket in the answer?Why?

回答 (1)

2008-09-13 2:18 am
✔ 最佳答案
其實個負號 擺唔擺落去都無所謂

主要係睇番題目要求

如果題目無寫, 就擺唔擺落去都得
參考: me


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