Question Simplify the expression −680−a Evaluate 821−1501−aSolution −680−a Show Solution Find the roots a=−680 Evaluate 821−1501−aTo find the roots of the expression,set the expression equal to 0 821−1501−a=0Subtract the numbers −680−a=0Move the constant to the right-hand side and change its sign −a=0+680Removing 0 doesn't change the value,so remove it from the expression −a=680Solution a=−680 Show Solution
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