作业帮24道符号^表示平方1,x^+21x+202,x^-8x-203,x^+8x-204,x^-8x-335,x^-4x-326,x^-14x+337,x^+49x+488,x^-14x+489,x^-2x-4810,x^+22x-4811,x^-19x+4812,x^-16x+4813,x^+8x-4814,x^-29x+10015,x^+x-7216,x^+32x-3317,x^-21x-10018,x^+4x+319,x^-6x+520,x^+15x+2621,x^
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24道符号^表示平方1,x^+21x+202,x^-8x-203,x^+8x-204,x^-8x-335,x^-4x-326,x^-14x+337,x^+49x+488,x^-14x+489,x^-2x-4810,x^+22x-4811,x^-19x+4812,x^-16x+4813,x^+8x-4814,x^-29x+10015,x^+x-7216,x^+32x-3317,x^-21x-10018,x^+4x+319,x^-6x+520,x^+15x+2621,x^
24道
符号^表示平方
1,x^+21x+20
2,x^-8x-20
3,x^+8x-20
4,x^-8x-33
5,x^-4x-32
6,x^-14x+33
7,x^+49x+48
8,x^-14x+48
9,x^-2x-48
10,x^+22x-48
11,x^-19x+48
12,x^-16x+48
13,x^+8x-48
14,x^-29x+100
15,x^+x-72
16,x^+32x-33
17,x^-21x-100
18,x^+4x+3
19,x^-6x+5
20,x^+15x+26
21,x^-15x+26
22,x^-25x+26
23,x^-25x-26
24,x^+5x-6
快- -.
24道符号^表示平方1,x^+21x+202,x^-8x-203,x^+8x-204,x^-8x-335,x^-4x-326,x^-14x+337,x^+49x+488,x^-14x+489,x^-2x-4810,x^+22x-4811,x^-19x+4812,x^-16x+4813,x^+8x-4814,x^-29x+10015,x^+x-7216,x^+32x-3317,x^-21x-10018,x^+4x+319,x^-6x+520,x^+15x+2621,x^
1,x^+21x+20=(x+20)(x+1)
2,x^-8x-20=(x-10)(x+2)
3,x^+8x-20=(x+10)(x-2)
4,x^-8x-33 =(x-11)(x+3)
5,x^-4x-32 =(x-8)(x+4)
6,x^-14x+33 =(x-3)(x-11)
7,x^+49x+48=(x+48)(x+1)
8,x^-14x+48=(x-6)(x-8)
9,x^-2x-48=(x-8)(x+6)
10,x^+22x-48=(x+24)(x-2)
11,x^-19x+48=(x-3)(x-16)
12,x^-16x+48=(x-12)(x-4)
13,x^+8x-48=(x+12)(x-4)
14,x^-29x+100=(x-4)(x-25)
15,x^+x-72 =(x+9)(x-8)
16,x^+32x-33 =(x+33)(x-1)
17,x^-21x-100=(x-25)(x+4)
18,x^+4x+3=(x+3)(x+1)
19,x^-6x+5=(x-5)(x-1)
20,x^+15x+26=(x+2)(x+13)
21,x^-15x+26=(x-2)(x-13)
22,x^-25x+26=没法分解.
23,x^-25x-26=(x-26)(x+1)
24,x^+5x-6=(x+6)(x-1)
没看懂
你说得平方是2次方吧，不是x的多少多少次方，
哎，现在的孩子真懒惰。