The long division below shows the first term of the quotient. Which polynomial should be subtracted from the dividend first?
x^2
-----------------------------------
x + 2 ) x^3 + 3x^2 + x
Ax + 3
Bx^2 + x + 2
Cx^3 + 2x^2
Dx2 + 3x
x^2
-----------------------------------
x + 2 ) x^3 + 3x^2 + x
Ax + 3
Bx^2 + x + 2
Cx^3 + 2x^2
Dx2 + 3x