-4a^3b+6a^2b-2ab
计算(3a-2b)(9a*a+6ab+4b*b)-(3a+2b)(9a*a-6ab+4b*b)
a³+a²b-(4a²b+3ab²)+b³+6ab²+2b&
合并同类项: -5a^b+6ab^-4ab-2a^b+4ab+3
合并同类项:-5a^b+6ab^-4ab-2a^b+4ab+3
若a+b=3,ab=-2,求(5a-5b-ab)-(4a-6b-3ab)
2A+4+3AB+6B
已知:a-b=4,ab=3,求多项式(2a+5b-3ab)-(a+6b-ab)-(2ab+2b-2a)的值
因式分解a^+b^+2a^b+2ab^+a^+b^+3ab+a+b
a^2b-ab+2ab^2-5a^b-4ab+3ab^2化简快
(3a+b)(3a-b) (-1/2a-b) (3y+2x)^2 (3ab+2b)^2 -8a^4b^/6ab^2 (3
-2ab(3a^2-2ab-4b^2) (2b-a)b-(2a-b)a
因式分解:4a^2+2ab+6a+3b