Answer: [tex]12x^{5}[/tex]
Step-by-step explanation:
When multiplying two numbers together with similar bases (here, that is x), you add the exponents together.
[tex]x^a*x^b=x^{a+b}[/tex]
Given:
[tex](3x\²) *(4x\³)[/tex]
Multiply and simplify:
[tex]3*4*x^2*x^3[/tex]
[tex]12*x^{2+3}[/tex]
[tex]12x^{5}[/tex]