- three *(-x - one)/(x - one)^ four - one /(x - one)^ three = zero
minus 3 multiply by ( minus x minus 1) divide by (x minus 1) to the power of 4 minus 1 divide by (x minus 1) cubed equally 0
minus three multiply by ( minus x minus one) divide by (x minus one) to the power of four minus one divide by (x minus one) to the power of three equally zero
-3*(-x - 1)/(x - 1)4 - 1/(x - 1)3 = 0
-3*-x - 1/x - 14 - 1/x - 13 = 0
-3*(-x - 1)/(x - 1)⁴ - 1/(x - 1)³ = 0
-3*(-x - 1)/(x - 1) to the power of 4 - 1/(x - 1) to the power of 3 = 0
-3(-x - 1)/(x - 1)^4 - 1/(x - 1)^3 = 0
-3(-x - 1)/(x - 1)4 - 1/(x - 1)3 = 0
-3-x - 1/x - 14 - 1/x - 13 = 0
-3-x - 1/x - 1^4 - 1/x - 1^3 = 0
-3*(-x - 1) divide by (x - 1)^4 - 1 divide by (x - 1)^3 = 0