Question Simplify the expression −1 Evaluate a−a−1The sum of two opposites equals 0 More Steps Evaluate a−aCollect like terms (1−1)aAdd the coefficients 0×aCalculate 0 0−1Solution −1 Show Solution Find the roots a∈∅ Evaluate a−a−1To find the roots of the expression,set the expression equal to 0 a−a−1=0Subtract the terms 0−1=0Removing 0 doesn't change the value,so remove it from the expression −1=0Solution a∈∅ Show Solution
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