Question Simplify the expression z46 Evaluate 6z−4Express with a positive exponent using a−n=an1 6×z41Solution z46 Show Solution Find the roots z∈∅ Evaluate 6z−4To find the roots of the expression,set the expression equal to 0 6z−4=0Find the domain 6z−4=0,z=0Calculate 6z−4=0Rewrite the expression z46=0Cross multiply 6=z4×0Simplify the equation 6=0Solution z∈∅ Show Solution