Question Simplify the expression −456−a Evaluate 593−1049−aSolution −456−a Show Solution Find the roots a=−456 Evaluate 593−1049−aTo find the roots of the expression,set the expression equal to 0 593−1049−a=0Subtract the numbers −456−a=0Move the constant to the right-hand side and change its sign −a=0+456Removing 0 doesn't change the value,so remove it from the expression −a=456Solution a=−456 Show Solution