化简:4x-〔5x-2(x-1)〕=______.
已知x满足不等式3(5x+2)+5<4x-6(x+1),化简|x+1|-|1-3x|=______.
计算:4x(x-1)2-x(2x+5)(2x-5)=______.
已知f(x)=(x-1)(x-2)(x-3)(x-4)(x-5),则f′(1)=______.
化简1+x+x(1+x)+x(1+x)2+…+x(1+x)1995=______.
分解因式:x(x-1)(x+1)(x+2)-24=______.
计算:(x+5)(x-1)=______.
已知f(x)=x(x+1)(x+2)(x+3)(x+4)(x+5)+6,则f′(0)=______.
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
方程5x-2=4(x-1)变形为5x-2=4x-4的依据是______.
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
(x-1)-(x-1)2+(x-1)3-(x-1)4+(x-1)5的展开式中,x2的系数等于______.
在(x-1)(x-2)(x-3)(x-4)(x-5)的展开式中,含x4的项的系数是______.