Question Simplify the expression −1393−a Evaluate 820−2213−aSolution −1393−a Show Solution Find the roots a=−1393 Evaluate 820−2213−aTo find the roots of the expression,set the expression equal to 0 820−2213−a=0Subtract the numbers −1393−a=0Move the constant to the right-hand side and change its sign −a=0+1393Removing 0 doesn't change the value,so remove it from the expression −a=1393Solution a=−1393 Show Solution
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