Question Simplify the expression k−28 Evaluate 1×k−28Solution k−28 Show Solution Find the roots k=28 Evaluate 1×k−28To find the roots of the expression,set the expression equal to 0 1×k−28=0Any expression multiplied by 1 remains the same k−28=0Move the constant to the right-hand side and change its sign k=0+28Solution k=28 Show Solution