3x^4y^2z/x^2yz

To simplify the expression (3x^4y^2z) / (x^2yz), we can cancel out common factors in the numerator and denominator.

Cancel x^2, y, and z:
(3x^4y^2z) / (x^2yz) = (3x^2y) / 1 = 3x^2y