Question Simplify the expression −20w Evaluate 0−20wSolution −20w Show Solution Find the roots w=0 Evaluate 0−20wTo find the roots of the expression,set the expression equal to 0 0−20w=0Removing 0 doesn't change the value,so remove it from the expression −20w=0Change the signs on both sides of the equation 20w=0Solution w=0 Show Solution