Question 178−b Simplify the expression 78−b Evaluate 178−bSolution 78−b Show Solution Find the roots b=78 Evaluate 178−bTo find the roots of the expression,set the expression equal to 0 178−b=0Divide the terms 78−b=0Move the constant to the right-hand side and change its sign −b=0−78Removing 0 doesn't change the value,so remove it from the expression −b=−78Solution b=78 Show Solution
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