Answer:
10[tex]x^{6[/tex]
Step-by-step explanation:
I really hope 5x3 is 5x cubed and 2x3 is 2x cubed.
First multiply the coefficients (5*2)=10
then multiply the variables [tex]x^{3}[/tex]x[tex]x^{3}[/tex]=[tex]x^{6}[/tex]
then multiply them both
10[tex]x^{6[/tex] or option 1
