Question Simplify the expression 5−4k Evaluate 5−k×4Solution 5−4k Show Solution Find the roots k=45Alternative Form k=1.25 Evaluate 5−k×4To find the roots of the expression,set the expression equal to 0 5−k×4=0Use the commutative property to reorder the terms 5−4k=0Move the constant to the right-hand side and change its sign −4k=0−5Removing 0 doesn't change the value,so remove it from the expression −4k=−5Change the signs on both sides of the equation 4k=5Divide both sides 44k=45Solution k=45Alternative Form k=1.25 Show Solution