(- one /(x + one)^ two - four /(x*(x + one)) + six *log(x + one)/x^ two)/x^ two = zero
( minus 1 divide by (x plus 1) squared minus 4 divide by (x multiply by (x plus 1)) plus 6 multiply by logarithm of (x plus 1) divide by x squared ) divide by x squared equally 0
( minus one divide by (x plus one) to the power of two minus four divide by (x multiply by (x plus one)) plus six multiply by logarithm of (x plus one) divide by x to the power of two) divide by x to the power of two equally zero