-(9x²-4x²+5)-(-3-8x³+3x²)
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:2024/06/17 17:24:17
-(9x²-4x²+5)-(-3-8x³+3x²)
![-(9x²-4x²+5)-(-3-8x³+3x²)](/uploads/image/z/175074-42-4.jpg?t=-%EF%BC%889x%26%23178%3B-4x%26%23178%3B%2B5%EF%BC%89-%EF%BC%88-3-8x%26%23179%3B%2B3x%26%23178%3B%EF%BC%89)
-(9x²-4x²+5)-(-3-8x³+3x²)
解原式= -9x²+4x²-5+3+8x³-3x²
= 8x³-8x²-2
解原式= -9x²+4x²-5+3+8x³-3x²
= 8x³-8x²-2
-(9x²-4x²+5)-(-3-8x³+3x²)
(8-7x-6x²+2x³)+(x³+5x²+4x-1)-(-x²-3
计算:(-x³-3x²+7x-8)-(3x³-2x²-5x+4)-(-x
解方程:(x²+3x)/(2x²+2x-8)+(x²+x-4)/(3x²+9x)
9x+6x²-3(x-2/3x²),其中x=-2 1/4(-4x²+2x-8)-(1/2x
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
(3x²)³-7x³[x³-x(4x²+1)]
不等式|(x+3)/x|>(x+3)/x,不等式(x²-9)/(x-2)>0
化简:-3x(x²+1)-[x³-x(4x²+1)].
3X+(X+2)+(X+1)*(X-1)=4*(X²+8)
3x²+4-5x²)+(-x³-3+2x²)化简
3x²+【5x-2(4x-5)-9x²】=?