Question Factor the expression 2(2z−7) Evaluate 4z−14Solution 2(2z−7) Show Solution Find the roots z=27Alternative Form z=3.5 Evaluate 4z−14To find the roots of the expression,set the expression equal to 0 4z−14=0Move the constant to the right-hand side and change its sign 4z=0+14Removing 0 doesn't change the value,so remove it from the expression 4z=14Divide both sides 44z=414Divide the numbers z=414Solution z=27Alternative Form z=3.5 Show Solution