four *(three - four *(x + one)^ two /(x*(x + two)))*(x + one)/(x^ two *(x + two)^ two) = zero
4 multiply by (3 minus 4 multiply by (x plus 1) squared divide by (x multiply by (x plus 2))) multiply by (x plus 1) divide by (x squared multiply by (x plus 2) squared ) equally 0
four multiply by (three minus four multiply by (x plus one) to the power of two divide by (x multiply by (x plus two))) multiply by (x plus one) divide by (x to the power of two multiply by (x plus two) to the power of two) equally zero