Câu 1:

$\left( {{x^4} + 3{x^3} + 3{x^2} + 3x - 2} \right):\left( {{x^2} + 2x - 1} \right)$

• A $x^2 - x - 2$
• B $x^2 + x - 2$
• C $x^2 + x + 2$
• D $x^2 - x + 2$

Câu 2:

$\left( {5{x^4} - 2{x^3} - 9{x^2} + 7x - 2} \right):\left( {{x^2} - 2} \right)$

• A $5x^2 - 2x - 1$
• B $5x^2 - 2x + 1$
• C $5x^2 + 2x + 1$
• D $5x^2 + 2x - 1$