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)^2q(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)
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)
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(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)
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