Question Find the roots a=2109Alternative Form a=54.5 Evaluate 109−2aTo find the roots of the expression,set the expression equal to 0 109−2a=0Move the constant to the right-hand side and change its sign −2a=0−109Removing 0 doesn't change the value,so remove it from the expression −2a=−109Change the signs on both sides of the equation 2a=109Divide both sides 22a=2109Solution a=2109Alternative Form a=54.5 Show Solution