Answer:
[tex]\boxed{\bold{7\sqrt{5}}}[/tex]
Step By Step Explanation:
Simplify [tex]\bold{3\sqrt{8}\cdot \:0}[/tex]
[tex]\bold{0}[/tex]
Rewrite Equation
[tex]\bold{7\sqrt{5}-0}[/tex]
Simplify [tex]\bold{7\sqrt{5}-0}[/tex]
[tex]\bold{7\sqrt{5}}[/tex]