Question Simplify the expression −a−6 Evaluate xd−a−dx−6Subtract the terms More Steps Evaluate xd−dxRewrite the expression xd−xdCollect like terms by calculating the sum or difference of their coefficients (1−1)xdSubtract the numbers 0×xdAny expression multiplied by 0 equals 0 0 0−a−6Solution −a−6 Show Solution