Question

不想想了1.如果(a+5)x大于a+5的解集是X大于1,那么a必须满足（ ）A.a小于等于-5 Ba小于-5 C.a大于

Answer 1

C.a大于-5

-9x^2-24x+16

a^6+a^7+a^6b^2-a^5b-a^6b-a^4b^4+a^2b^4+a^3b^4+a^2b^6-ab^5-a^2b^5-b^8