eighteen *((three *x - one)/(three *x + one) - one)/(three *x + one)^ two = zero
18 multiply by ((3 multiply by x minus 1) divide by (3 multiply by x plus 1) minus 1) divide by (3 multiply by x plus 1) squared equally 0
eighteen multiply by ((three multiply by x minus one) divide by (three multiply by x plus one) minus one) divide by (three multiply by x plus one) to the power of two equally zero
18*((3*x - 1)/(3*x + 1) - 1)/(3*x + 1)2 = 0
18*3*x - 1/3*x + 1 - 1/3*x + 12 = 0
18*((3*x - 1)/(3*x + 1) - 1)/(3*x + 1)² = 0
18*((3*x - 1)/(3*x + 1) - 1)/(3*x + 1) to the power of 2 = 0
18((3x - 1)/(3x + 1) - 1)/(3x + 1)^2 = 0
18((3x - 1)/(3x + 1) - 1)/(3x + 1)2 = 0
183x - 1/3x + 1 - 1/3x + 12 = 0
183x - 1/3x + 1 - 1/3x + 1^2 = 0
18*((3*x - 1) divide by (3*x + 1) - 1) divide by (3*x + 1)^2 = 0