Question Find the roots a=21781Alternative Form a≈0.000459 Evaluate 2178a−1To find the roots of the expression,set the expression equal to 0 2178a−1=0Move the constant to the right-hand side and change its sign 2178a=0+1Removing 0 doesn't change the value,so remove it from the expression 2178a=1Divide both sides 21782178a=21781Solution a=21781Alternative Form a≈0.000459 Show Solution