x^2-2xy+y^2+3x-3y+2 x^2+(a+1)x-(6a^2-13a+6) 　x＾2＋xy－2y＾2＋2x＋

225933882022-10-04 11:39:541条回答

x^2-2xy+y^2+3x-3y+2 x^2+(a+1)x-(6a^2-13a+6) 　x＾2＋xy－2y＾2＋2x＋7y－3帮忙因式分解

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张智霖8141 共回答了18个问题 | 采纳率94.4%: x^2-2xy+y^2+3x-3y+2
=(x-y)^2+3(x-y)+2
=(x-y+2)(x-y+1)
x^2+(a+1)x-(6a^2-13a+6)
=x^2+(a+1)x-(3a-2)(2a-3)
=(x+3a-2)(x-2a+3)
x＾2＋xy－2y＾2＋2x＋7y－3X
=(x+2y)(x-y)+2(x+2y)+3y-3x
=(x+2y)(x-y)+3(y-x)
=(x+2y-3)(x-y); 1年前

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