step by step on how to solve this problem!

6x

^{4 }* 3x^{2 }= 6* x*x*x*x * 3*x*x = 18x^{6}Another way:

multiply the numbers(6*3) = 18

remember the law of expononets =>A

^{m }* A^{n}= A^{(m + n)}; Thus X^{4 }* X^{2 }= X^{6}multiplication yields 18X

^{6}