答案
解:(1)10a-14b-16c+10b-18a-2c
=(10a-18a)+(-14b+10b)+(-16c-2c)
=-8a-4b-18c;
(2)4x
3-[-x
2-2(x
3-
x
2+1)]
=4x
3-[-x
2-(2x
3-x
2+2)]
=4x
3-(-x
2-2x
3+x
2-2)
=4x
3+x
2+2x
3-x
2+2
=(4x
3+2x
3)+(x
2-x
2)+2
=6x
3+2.
解:(1)10a-14b-16c+10b-18a-2c
=(10a-18a)+(-14b+10b)+(-16c-2c)
=-8a-4b-18c;
(2)4x
3-[-x
2-2(x
3-
x
2+1)]
=4x
3-[-x
2-(2x
3-x
2+2)]
=4x
3-(-x
2-2x
3+x
2-2)
=4x
3+x
2+2x
3-x
2+2
=(4x
3+2x
3)+(x
2-x
2)+2
=6x
3+2.