Question Simplify the expression 82−b Evaluate 82−1×bSolution 82−b Show Solution Find the roots b=82 Evaluate 82−1×bTo find the roots of the expression,set the expression equal to 0 82−1×b=0Any expression multiplied by 1 remains the same 82−b=0Move the constant to the right-hand side and change its sign −b=0−82Removing 0 doesn't change the value,so remove it from the expression −b=−82Solution b=82 Show Solution