[tex] \bf x ={2}^{11} - {2}^{10} [/tex]
[tex]\bf x ={2}^{10} \cdot\big( {2}^{11 - 10} - {2}^{10 - 10} \big)[/tex]
[tex]\bf x ={2}^{10} \cdot\big( {2}^{1} - {2}^{0} \big)[/tex]
[tex]\bf x ={2}^{10} \cdot\big( {2}-1 \big)[/tex]
[tex]\bf x ={2}^{10} \cdot1[/tex]
[tex] \red{ \boxed{\bf x ={2}^{10}}}[/tex]
