Question Simplify the expression 2a−49 Evaluate 2a−46−3Solution 2a−49 Show Solution Find the roots a=249Alternative Form a=24.5 Evaluate 2a−46−3To find the roots of the expression,set the expression equal to 0 2a−46−3=0Subtract the numbers 2a−49=0Move the constant to the right-hand side and change its sign 2a=0+49Removing 0 doesn't change the value,so remove it from the expression 2a=49Divide both sides 22a=249Solution a=249Alternative Form a=24.5 Show Solution