Question Simplify the expression −a−16 Evaluate a−a−a−16Solution More Steps Evaluate a−a−aCollect like terms by calculating the sum or difference of their coefficients (1−1−1)aSubtract the numbers −a −a−16 Show Solution Find the roots a=−16 Evaluate a−a−a−16To find the roots of the expression,set the expression equal to 0 a−a−a−16=0Subtract the terms 0−a−16=0Removing 0 doesn't change the value,so remove it from the expression −a−16=0Move the constant to the right-hand side and change its sign −a=0+16Removing 0 doesn't change the value,so remove it from the expression −a=16Solution a=−16 Show Solution