Question Simplify the expression 72−3137a Evaluate 73−1−3137aSolution 72−3137a Show Solution Find the roots a=313772Alternative Form a≈0.022952 Evaluate 73−1−3137aTo find the roots of the expression,set the expression equal to 0 73−1−3137a=0Subtract the numbers 72−3137a=0Move the constant to the right-hand side and change its sign −3137a=0−72Removing 0 doesn't change the value,so remove it from the expression −3137a=−72Change the signs on both sides of the equation 3137a=72Divide both sides 31373137a=313772Solution a=313772Alternative Form a≈0.022952 Show Solution