Tính: (1/2 x^4 - 1/4 x^3 + x) : (-1/8 x)
Giải thích
12x4−14x3+x:−18x
=12x4:−18x−14x3:−18x+x:−18x
=12:−18.x4:x−14:−18.x3:x+1:−18.x:x
=−82.x3−−84.x2+−8
= -4x3 + 2x2 - 8.
12x4−14x3+x:−18x
=12x4:−18x−14x3:−18x+x:−18x
=12:−18.x4:x−14:−18.x3:x+1:−18.x:x
=−82.x3−−84.x2+−8
= -4x3 + 2x2 - 8.