因式分解:(X²+3X+2)(4X²+8x+3)-90;X9+X6+X3-3
来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/09/21 13:54:53
因式分解:(X²+3X+2)(4X²+8x+3)-90;X9+X6+X3-3
(x^2+3x+2)(4x^2+8x+3)-90
=(x+1)(x+2)(2x+3)(2x+1)-90
=[(x+1)(2x+3)][(x+2)(2x+1)]-90
=(2x^2+5x+3)(2x^2+5x+2)-90
=(2x^2+5x)^2+5(2x^2+5x)-84
=(2x^2+5x-7)(2x^2+5x+12)
=(x-1)(2x-7)(2x^2+5x+12)
x^9+x^6+x^3-3
=x^9-1+x^6+x^3-2
=(x^3-1)(x^6+x^3+1)+(x^3+2)(x^3-1)
=(x^3-1)[(x^6+x^3+1)+(x^3+2)]
=(x-1)(x^2+x+1)(x^6+2x^3+3)
=(x+1)(x+2)(2x+3)(2x+1)-90
=[(x+1)(2x+3)][(x+2)(2x+1)]-90
=(2x^2+5x+3)(2x^2+5x+2)-90
=(2x^2+5x)^2+5(2x^2+5x)-84
=(2x^2+5x-7)(2x^2+5x+12)
=(x-1)(2x-7)(2x^2+5x+12)
x^9+x^6+x^3-3
=x^9-1+x^6+x^3-2
=(x^3-1)(x^6+x^3+1)+(x^3+2)(x^3-1)
=(x^3-1)[(x^6+x^3+1)+(x^3+2)]
=(x-1)(x^2+x+1)(x^6+2x^3+3)
(x²+4x+8)²+3x(x²+4x+8)+2x²因式分解
因式分解:(x²+4x+8)²+3x(x²+4x+8)+2x² x²(
因式分解 3(x²-27)-3/4x²
因式分解 x²-3xy+2y²+x-2
因式分解:(2x²-3x+1)²-22x²+33x-1
5x²-3因式分解 十字相乘法:x²-2x-8 x²+7x-18
因式分解,一题(x²+3x-2)(x²+3x+4)-16
数学计算与因式分解计算;(x-1/2)²(1/2+x)²因式分解:(x²-3)²
(x²+4x+8)²+3x(x²+4x+8)+2x² 分解因式
1.(3x²+2x-8)²-(x²-2x-8)²
4x²-[2x-(x²-2x+3)-2(x²-3x)] 计算
x²y²-3xy+2因式分解