(1)(m²-3m+2)-(4m-2n-1) (2) (3x²+4-1)-3(x²+3x) (3) -5(x²-3)-2(3x²+5(4) -(x²y+3xy-4)+3(x²y-xy+2)(5) (11/2x²-29x+10y)-(5/2x²-13x+24y)(6) -1/4(2k³+4k²-28)+1/2(k³-

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(1)(m²-3m+2)-(4m-2n-1)(2)(3x²+4-1)-3(x²+3x)(3)-5(x²-3)-2(3x²+5(4)-(x²y

(1)(m²-3m+2)-(4m-2n-1) (2) (3x²+4-1)-3(x²+3x) (3) -5(x²-3)-2(3x²+5(4) -(x²y+3xy-4)+3(x²y-xy+2)(5) (11/2x²-29x+10y)-(5/2x²-13x+24y)(6) -1/4(2k³+4k²-28)+1/2(k³-
(1)(m²-3m+2)-(4m-2n-1) (2) (3x²+4-1)-3(x²+3x) (3) -5(x²-3)-2(3x²+5
(4) -(x²y+3xy-4)+3(x²y-xy+2)
(5) (11/2x²-29x+10y)-(5/2x²-13x+24y)
(6) -1/4(2k³+4k²-28)+1/2(k³-2k²+4k)
1-6题全部啊帮个忙

(1)(m²-3m+2)-(4m-2n-1) (2) (3x²+4-1)-3(x²+3x) (3) -5(x²-3)-2(3x²+5(4) -(x²y+3xy-4)+3(x²y-xy+2)(5) (11/2x²-29x+10y)-(5/2x²-13x+24y)(6) -1/4(2k³+4k²-28)+1/2(k³-
第一题:等于-7m+3=2n+m平方

你不说明做什么题,怎么给你答啊

你是要分解因式吗,题目题意不清楚