Question Simplify the expression −9k2 Evaluate −(3k×1)2Multiply the terms −(3k)2Solution More Steps Evaluate (3k)2To raise a product to a power,raise each factor to that power 32k2Evaluate the power 9k2 −9k2 Show Solution Find the roots k=0 Evaluate −(3k×1)2To find the roots of the expression,set the expression equal to 0 −(3k×1)2=0Multiply the terms −(3k)2=0Calculate −9k2=0Change the signs on both sides of the equation 9k2=0Rewrite the expression k2=0Solution k=0 Show Solution