87. x^2+6x+q, what is the value of q?
1). X^2+6x+q=x^2+rx+r-2. some r is satisfied for this quotation. All variable X is satisfied for this
2). x^2+6x=Q=(x+m)(x+n), some m and n is satisfied for this quotation. All variable X is satisfied for this
My Ans.: E
some r is satisfied for this quotation.这句话本身是想说什么，到底是什么条件才使其部分成立，想不出来，又没涉及是否有根，真奇怪。
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