Dividing polynomials

Divide (x² + 5x - 8) by (x + 3). What is the remainder?

• 16

• 12

• -14

• -16

Is this division problem worked correctly?

• This is correct!

• This is incorrect!

(2x³ + 5x² + 9) ÷ (x + 3)

• 2x² - x + 3

• 2x⁴ - x² + 3x

• 2x² + 11x + 33

• 2x² +x +3

(4x² - 24x + 35) ÷ (2x - 5)

• 2x - 7

• 2x - 12

• 2x + 12

• 2x + 7