(-3x눀-4x)-(4x눀-2-2)

2024-12-30 01:03:54
推荐回答(2个)
回答1:

-3x²-4x-4x²+2+2
=3x²-4x²-4x+4
=-1x²-4x+4

回答2:

-3x²-4x-4x²+2+2 =3x²-4x²-4x+4 =-1x²-4x+4