Thực hiện phép chia (15x^4 + 4x^3 + 11x^2 + 14x – 8) : (5x^2 + 3x – 2)
Giải thích
15x4+4x3+11x2+14x−85x2+3x−215x4+9x3−6x2 3x2−x+4 −5x3+17x2+14x−8¯ −5x3−3x2+2x 20x2+12x−8 20x2+12x−8 0¯¯
Vậy 15x4+4x3+11x2+14x−8:5x2+3x−2=3x2−x+4
15x4+4x3+11x2+14x−85x2+3x−215x4+9x3−6x2 3x2−x+4 −5x3+17x2+14x−8¯ −5x3−3x2+2x 20x2+12x−8 20x2+12x−8 0¯¯
Vậy 15x4+4x3+11x2+14x−8:5x2+3x−2=3x2−x+4