Question Simplify the expression 423−b Evaluate 436−13−bSolution 423−b Show Solution Find the roots b=423 Evaluate 436−13−bTo find the roots of the expression,set the expression equal to 0 436−13−b=0Subtract the numbers 423−b=0Move the constant to the right-hand side and change its sign −b=0−423Removing 0 doesn't change the value,so remove it from the expression −b=−423Solution b=423 Show Solution