Question Simplify the expression −8k Evaluate k×1−k×9Any expression multiplied by 1 remains the same k−k×9Use the commutative property to reorder the terms k−9kCollect like terms by calculating the sum or difference of their coefficients (1−9)kSolution −8k Show Solution Find the roots k=0 Evaluate k×1−k×9To find the roots of the expression,set the expression equal to 0 k×1−k×9=0Any expression multiplied by 1 remains the same k−k×9=0Use the commutative property to reorder the terms k−9k=0Subtract the terms More Steps Simplify k−9kCollect like terms by calculating the sum or difference of their coefficients (1−9)kSubtract the numbers −8k −8k=0Change the signs on both sides of the equation 8k=0Solution k=0 Show Solution