Question 70z−175 Factor the expression 35(2z−5) Evaluate 70z−175Solution 35(2z−5) Show Solution Find the roots z=25Alternative Form z=2.5 Evaluate 70z−175To find the roots of the expression,set the expression equal to 0 70z−175=0Move the constant to the right-hand side and change its sign 70z=0+175Removing 0 doesn't change the value,so remove it from the expression 70z=175Divide both sides 7070z=70175Divide the numbers z=70175Solution z=25Alternative Form z=2.5 Show Solution