Thực hiện các phép tính: x^2+4/4x^3-16x-x-1/6x^2+12x+(3-x)(x+4)/24x-12x^2
Giải thích
x2+44x3−16x−x−16x2+12x+3−xx+424x−12x2
=3x2+4−2x−1x−2+x−3x+4x+212xx+2x−2
=x3+4x2−4x−1612xx+2x−2=x+4x+2x−212xx+2x−2=x+412x
x2+44x3−16x−x−16x2+12x+3−xx+424x−12x2
=3x2+4−2x−1x−2+x−3x+4x+212xx+2x−2
=x3+4x2−4x−1612xx+2x−2=x+4x+2x−212xx+2x−2=x+412x