simplify the polynomial by combining like terms
[tex]11x {}^{2} + 11x {}^{2} [/tex]

A.
[tex] - 12x {}^{2} [/tex]
B.
[tex]12x {}^{2} [/tex]
C.
[tex] - 24x {}^{2} [/tex]
D.
[tex]24x {}^{2} [/tex]