Question Simplify the expression 684−b Evaluate 750−66−bSolution 684−b Show Solution Find the roots b=684 Evaluate 750−66−bTo find the roots of the expression,set the expression equal to 0 750−66−b=0Subtract the numbers 684−b=0Move the constant to the right-hand side and change its sign −b=0−684Removing 0 doesn't change the value,so remove it from the expression −b=−684Solution b=684 Show Solution