Làm tính chia:
a. \(\left( {6{x^2} + 13x – 5} \right):\left( {2x + 5} \right)\)
b. \(\left( {{x^3} – 3{x^2} + x – 3} \right):\left( {x – 3} \right)\)
c. \(\left( {2{x^4} + {x^3} – 5{x^2} – 3x – 3} \right):\left( {{x^2} – 3} \right)\)
Giải:
Làm tính chia:
a. \(\left( {6{x^2} + 13x – 5} \right):\left( {2x + 5} \right)\)
b. \(\left( {{x^3} – 3{x^2} + x – 3} \right):\left( {x – 3} \right)\)
c. \(\left( {2{x^4} + {x^3} – 5{x^2} – 3x – 3} \right):\left( {{x^2} – 3} \right)\)
Giải: