计算;5a²b*(-2ab³)²,(2x²)³-3x四次方(x
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/07/14 23:56:03
计算;5a²b*(-2ab³)²,(2x²)³-3x四次方(x²-x)
【(x-y)²+(x+y)(x-y)】/2x,(a+2b-1)(a-2b+1)
【(x-y)²+(x+y)(x-y)】/2x,(a+2b-1)(a-2b+1)
5a²b*(-2ab³)²=5a²b×4a²b^6=20a^4b^7
(2x²)³-3x^4(x²-x)=8x^6-3x^6-3x^5=5x^6-3x^5=x^5×(5x-3)
【(x-y)²+(x+y)(x-y)】/2x
=(x²-2xy+y²+x²-y²)/2x
=(2x²-2xy)/2x
=x-y
(a+2b-1)(a-2b+1)
=a²-(2b-1)²=a²-4b²+4b-1
(2x²)³-3x^4(x²-x)=8x^6-3x^6-3x^5=5x^6-3x^5=x^5×(5x-3)
【(x-y)²+(x+y)(x-y)】/2x
=(x²-2xy+y²+x²-y²)/2x
=(2x²-2xy)/2x
=x-y
(a+2b-1)(a-2b+1)
=a²-(2b-1)²=a²-4b²+4b-1
计算;5a²b*(-2ab³)²,(2x²)³-3x四次方(x
因式分解 1.-8x四次方-16x³y 2.(x-y)²+2(y-x) 3.81a四次方-b四次方
帮忙计算这些数学题目(1) (6x四次方-8x³)/(-2x² (2) (8a³b-5a&
计算a-b/a+b*a四次方-a²b²/a²-ab (2)4x²-4xy+y
因式分解:a³x四次方+2a²bx²-x+ab²+b=0
(-x²)³-3x²(x四次方+2x-2)
利用乘法公式计算(x+y)(x²+y²)(x-y)(x的四次方+y四次方)(a-2b+3)(a+2b
【(5x+3y)²+(x+3y)(x-3y)】/4x 和 (a五次方b四次方-3a五次方b三次方)/(-ab)
因式分解(a²-ab)+c(a-b) (x-y)四次方+x(x-y)³+y(y-x)³
计算【1】(x四次方)²÷(x四次方)²*(x²)²*x² 【2】(a
整式X五次方—2x—1,2x五次方+3x²+1 ,x五次方—2x四次方y+2y五次方,4a五次方—4ab+b&
求大神分解下因式1、ab(x²+1)+x(a²+b²) 2、x的四次方-10x²