Question Simplify the expression 109u Evaluate u×2018Cancel out the common factor 2 u×109Solution 109u Show Solution Find the roots u=0 Evaluate u×2018To find the roots of the expression,set the expression equal to 0 u×2018=0Cancel out the common factor 2 u×109=0Use the commutative property to reorder the terms 109u=0Solution u=0 Show Solution