Answer:
[tex]\boxed{\bold{5n^2+8bnvx^2+3b^2v^2x^4}}[/tex]
Step-by-step explanation:
Apply FOIL method: [tex]\bold{\left(a+b\right)\left(c+d\right)=ac+ad+bc+bd}[/tex]
[tex]\bold{a=n,\:b=bvx^2,\:c=5n,\:d=3bvx^2}[/tex]
[tex]\bold{n\cdot \:5n+n\cdot \:3bvx^2+bvx^2\cdot \:5n+bvx^2\cdot \:3bvx^2}[/tex]
[tex]\bold{5nn+3bnvx^2+5bnvx^2+3bbvvx^2x^2}[/tex]
Simplify [tex]\bold{5nn+3bnvx^2+5bnvx^2+3bbvvx^2x^2}[/tex]
[tex]\bold{5n^2+8bnvx^2+3b^2v^2x^4}[/tex]
Regards,
Mordancy
