Question Simplify the expression Solution 30−b Evaluate 130−bSolution 30−b Show Solution Find the roots Find the roots of the algebra expression b=30 Evaluate 130−bTo find the roots of the expression,set the expression equal to 0 130−b=0Divide the terms 30−b=0Move the constant to the right-hand side and change its sign −b=0−30Removing 0 doesn't change the value,so remove it from the expression −b=−30Solution b=30 Show Solution