Add the polynomials: (9 x - 6) + (- 5x + 7) *
2 points
14x + 1
-4x - 1
4x + 1
4x + 13
2.) Subtract the polynomials: (9 x - 6) - (- 5x + 7) Note: Do not forget to change the sign of the subtrahend before proceeding in addition. *
2 points
14x - 13
-4x + 13
4x + 1
-14x + 13
3.) Add the polynomials: (-x^2 + 5x + 2) + (6 x^2 + x ) *
2 points
7x^2 + 6x + 2
5x^2 + 6x + 2
5x^2 + 6x
7x^2 + 6x
4.) Add the polynomials: ( xy + 3x + 2) + ( - 5 xy - 6x - 7) *
2 points
- 4xy - 3x - 5
4xy - 3x - 5
- 4xy + 3x + 5
4xy + 3x + 5
5. Subtract the polynomials: (x^2y + 3x + 2) - (2 + xy^2 + 3x) *
2 points
0
-2x^2y
x^2y - xy^2
x^2y + xy^2