How do you simplify sqrt56-sqrt14+sqrt156?

$\implies \sqrt{14} + 2 \sqrt{39}$
$\implies \sqrt{{2}^{2} \times 14} - \sqrt{14} + \sqrt{{2}^{2} \times 39}$
$\implies 2 \sqrt{14} - \sqrt{14} + 2 \sqrt{39}$
$\implies \sqrt{14} + 2 \sqrt{39}$