3(x-2)(x+1)-2(x-5)(x-3)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/26 20:23:05
3(x-2)(x+1)-2(x-5)(x-3)
3(x-2)(x+1)-2(x-5)(x-3)
=3(x²-x-2)-2(x²-8x+15)
=3x²-3x-6-2x²+16x-30;
=x²+13x-36;
手机提问的朋友在客户端右上角评价点【满意】即可.
=3(x²-x-2)-2(x²-8x+15)
=3x²-3x-6-2x²+16x-30;
=x²+13x-36;
手机提问的朋友在客户端右上角评价点【满意】即可.
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
x-1)(X-2)(x-3)...(x-50)+x(x-2)(X-3)...(X-50)+...+x(x-1)(x-2)
5x(3x-2)-(x+1)
x/x-3-5x/x^2-x-6计算
1+x+x^2+x^3+.+x^99+x^100
(X-1)^3(x-2)(x-3)^2(x-5)
1/(x+3)-(x-2)/(x^2-5x+6)
(2x-1)/(x-1)(x-2)=(x-5)/(x-2)(x-3) x/2x^2-11x-21=(x+7)/x^2-1
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值