(1) 3a^3+6a^2+3a (2)x^2(x-y)+9(y-x) (3)(x^2+4)^2-16x^2 因式分解
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/11 05:50:18
![(1) 3a^3+6a^2+3a (2)x^2(x-y)+9(y-x) (3)(x^2+4)^2-16x^2 因式分解](/uploads/image/z/3736823-23-3.jpg?t=%EF%BC%881%EF%BC%89+3a%5E3%2B6a%5E2%2B3a+%EF%BC%882%EF%BC%89x%5E2%EF%BC%88x-y%29%2B9%28y-x%29+%283%29%28x%5E2%2B4%29%5E2-16x%5E2+%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3)
xPK
0J@G(MJs@<ݤPp%z^Mյn¼yM=]2G")A($GRK|;Z
y2MI$h,TrdL6]ĸ?jHVyBukI2tJ{AVY}V@Y0yP!0~ s3K
(1) 3a^3+6a^2+3a (2)x^2(x-y)+9(y-x) (3)(x^2+4)^2-16x^2 因式分解
(1) 3a^3+6a^2+3a (2)x^2(x-y)+9(y-x) (3)(x^2+4)^2-16x^2 因式分解(1) 3a^3+6a^2+3a (2)x^2(x-y)+9(y-x) (3)(x^2+4)^2-16x^2 因式分解
(1)3a³+6a²+3a=3a(a²+2a+1)=3a(a+1)²
(2)原式=x²(x-y)-9(x-y)=(x-y)(x²-9)=(x-y)(x+3)(x-3)
(3)原式=(x²+4)²-(4x)²=(x²+4+4x)(x²+4-4x)=(x+2)²(x-2)²
(通分) a/a^a^a+3a+2 ,a/a^a+2a+1 ,-1/3a+6
求和:1,a+a^2,a^3+a^4+a^5,a^6+a^7+a^8+a^9,···(a不等于0)
a+a+1+a+2+a+3+a+4+a+5+a+6+a+7.+a+2013+a+2014=?
计算:(a+3a+5a+...+2013a)-(2a+4a+6a+...+2012a)=?
计算(a+3a+5a+.+2003a)-(2a+4a+6a+.+2004a)
(a^2-9)/(a^2+6a+9)除以(a-3)/(a^2+3a)减去(a-a^2)/(a^2-1)结果是多少?
(a^2-9)/(a^2+6a+9)除以(a-3)/(a^2+3a)减去(a-a^2)/(a^2-1)结果是多少?
计算(a^2+a+1)/(a+1)-(a^2-3a+1)/(a-3)
(a 1)(a 2)(a 3)(a
(a+2)(a+1)-a(a-3)
5a-【a+(5a-2a)-2(a-3a)-4a】
a=-1 求a-2a+3a-4a+5a-6a+...+99a-100a
(2a+3/a^2+1)-(a+3/a^2+1)*(2a^2+6a/a^2+6a+9)化简
整式化简6(2a-1/3)-8(2-a+2/4)5a^2-[a^2+(5a^2-a)-2(a^2-3a)]
已知a≤1,化简根号下[(a方-3a+2)/(a方-6a+9)]*(a-3)/(根号2-a)+(根号1-a).
当a=-(1/2+根号5),(9-6a+a^2)/(a-3)+根号(a^2-2a+1)/(a^2-a)的结果是
当a=1/√3+2时,求(a²-a-6)/(a+2)-√(a²-2a+1)/(a²-a)的值.
已知a小于1,化简【a的平方-3a+2/a的平方-6a+9】*a-3/【2-a】+【1-a】(【 】为根号,*为乘)