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18x^2-32y^2x^2+3x+2x^2-7x-8x^2-4x-12x^2-13x+122x^2-7x+6x^2-10xy+25y^22x^2+5xy+3y^2x^2-y^2+x+y(a+1)^2+2(a+1)+1(x^2+2x+1)-y^2

题目详情
18x^2-32y^2
x^2+3x+2
x^2-7x-8
x^2-4x-12
x^2-13x+12
2x^2-7x+6
x^2-10xy+25y^2
2x^2+5xy+3y^2
x^2-y^2+x+y
(a+1)^2+2(a+1)+1
(x^2+2x+1)-y^2
▼优质解答
答案和解析
2(3x+4y)(3x-4y)
(x+1)(x+2)
(x-8)(x+1)
(x-6)(x+2)
(x-1)(x-12)
(x-2)(2x-3)
(x-5y)²
(x+y)(2x+3y)
(x+y)(x-y+1)
(a+2)²
(x+1+y)(x+1-y)