Question Simplify the expression 47−a Evaluate 147−aSolution 47−a Show Solution Find the roots a=47 Evaluate 147−aTo find the roots of the expression,set the expression equal to 0 147−a=0Divide the terms 47−a=0Move the constant to the right-hand side and change its sign −a=0−47Removing 0 doesn't change the value,so remove it from the expression −a=−47Solution a=47 Show Solution
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