Question Factor the expression 3(7k−32) Evaluate 21k−96Solution 3(7k−32) Show Solution Find the roots k=732Alternative Form k=4.5˙71428˙ Evaluate 21k−96To find the roots of the expression,set the expression equal to 0 21k−96=0Move the constant to the right-hand side and change its sign 21k=0+96Removing 0 doesn't change the value,so remove it from the expression 21k=96Divide both sides 2121k=2196Divide the numbers k=2196Solution k=732Alternative Form k=4.5˙71428˙ Show Solution