a^2(a+2b)^2-9(x+y)^2 q(p+q)^2-6(p-q)+1 因式分解 a^2(a+2b)^2-9(x+y)^2q(p+q)^2-6(p-q)+1因式分解

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a^2(a+2b)^2-9(x+y)^2 q(p+q)^2-6(p-q)+1 因式分解 a^2(a+2b)^2-9(x+y)^2q(p+q)^2-6(p-q)+1因式分解

a^2(a+2b)^2-9(x+y)^2 q(p+q)^2-6(p-q)+1 因式分解 a^2(a+2b)^2-9(x+y)^2q(p+q)^2-6(p-q)+1因式分解
a^2(a+2b)^2-9(x+y)^2 q(p+q)^2-6(p-q)+1 因式分解
a^2(a+2b)^2-9(x+y)^2
q(p+q)^2-6(p-q)+1
因式分解

a^2(a+2b)^2-9(x+y)^2 q(p+q)^2-6(p-q)+1 因式分解 a^2(a+2b)^2-9(x+y)^2q(p+q)^2-6(p-q)+1因式分解
a^2(a+2b)^2-9(x+y)^2
=[a(a+2b)+3(x+y)][a(a+2b)-3(x+y)]
=(a^2+2ab+3x+3y)(a^2+2ab-3x-3y)
9(p+q)^2-6(p+q)+1
=[3(p+q)-1]^2
=(3p+3q-1)^2

9x^2(a-b)+y^2(b-a) (x+y)²+2(y-x) 因式分解 怎么弄 我这还有几道题(x+y)²-(x+y)(x-z)+(x+y)(y+z)X(X-a)(x-b)-y(a-x)(b-x)x(x+y)(x-y)-x(x+y)²(2a+b)(2a-3b)-3b(2a+b)(a+b)²-9(a-b)²(a²+b²)²-a²b²9(x-y)-y& (x-A)*(B-y)=x^2-9xy+8y^2,求A,B (2a+b)(2a-3b)+3a(2a+b)和x(x+y)(x-y)-x(x+y)²4a(x+y)-6x-6y和啊a(a-b)-ab+b² 3x(a-b)+2y(b-a) (x+y)(a+2b) 已知实数a,b,x,y,满足不等式(a+b)(x+y)>2(ay+bx),求证(x-y)/(a-b)+(a-b)/(x-y)>=2 -a^3+a^2+2a=?因式分解 16(x-y)^2-9(x+y)^2=( )*( ) (a+b)^3-(a+b)=(a+b)*( )*( ) 因式分解 因式分解:x^2y^2-4x a(a-b)-2b(b-a) (1) (a+2b/a-b)+(b/b-a)-(2a/a-b); (2) (y/x-y+z)+(2x+z/y-x-z)-(y-z/y-x-z); (3) (2/2a+3)+(3/3-2a)+(2a+15/4a^2-9); (4) (1/1-x)-(1/1+x)-(2x/1+x^2)+(-4x^3/1+x^4) (1)(x+y)^2-(x+y)^3(2)(x-y)-(x-y)^3(3)(x-y)^2-(y-x)^3(4)2(x-y)-3(y-x)^2(5)4ab(a=b)^2-6a^2b(a+b)(6)(x+y)^2(x-y)+(x+y)(x-y)^2(7)2a(a-3)^2-6a^2(3-a)+8a(a-3)(8)24xy^2z^2(x+y-z)-32xyz(z-x-y)^2+8xy(z-x-y)(9)(a-b)(b-a)^n(b-a)^2n-1 [两解)(10)2^2=3,2^b (x+y)(a-2b) 2a+(x+y)-2(a+b)(化简) (1)x-y/x-2y÷x^2-y^2/x^2-4xy+4y^2(2)3a/a+b - 3b/a+b(3)x+3/x^2-9 + 3/x-3(4)x^2/x+y - x+y(5)(a^2/a-3 + 9/3-a)÷a+3/a 数学分式和2次根式的题目计算(b/a-a/b)÷a/a+b的结果() A b/a-b B b/a+b C a/a-b D a/a+b 化简 y-x/x^2-y-x/y^2的结果() A -x-y B y-x C x-y D x+y 计算ab^2/(ab)^2的结果() A b B a C 1 D b/1 分式和2次根式的数学题目计算(b/a-a/b)÷a/a+b的结果() A b/a-b B b/a+b C a/a-b D a/a+b 化简 y-x/x^2-y-x/y^2的结果() A -x-y B y-x C x-y D x+y 计算ab^2/(ab)^2的结果() A b B a C 1 D b/1提问者:luoyingyu12 - 已知 集合A={(x,y)|x-y=3} 集合B={(x,y)|2x+y=9} 则集合a交b等于 通分 a/(y-x)^2,b/(x-y)(x+y)