bantu jawab dong, sertakan dengan caranya ya

[tex] \sqrt{175} + 4 \sqrt{7} - \sqrt{63} = \sqrt{7} \sqrt{25} + 4 \sqrt{7} - \sqrt{7} \sqrt{9} = 5 \sqrt{7} + 4 \sqrt{7} - 3 \sqrt{7} = 6 \sqrt{7}[/tex]
jawaban : B