Question Factor the expression −(z+2) Evaluate −z−2Solution −(z+2) Show Solution Find the roots z=−2 Evaluate −z−2To find the roots of the expression,set the expression equal to 0 −z−2=0Move the constant to the right-hand side and change its sign −z=0+2Removing 0 doesn't change the value,so remove it from the expression −z=2Solution z=−2 Show Solution