(two *x + six)/(x + four) - (x^ two + six *x + three)/(x + four)^ two = zero
(2 multiply by x plus 6) divide by (x plus 4) minus (x squared plus 6 multiply by x plus 3) divide by (x plus 4) squared equally 0
(two multiply by x plus six) divide by (x plus four) minus (x to the power of two plus six multiply by x plus three) divide by (x plus four) to the power of two equally zero
(2*x + 6)/(x + 4) - (x2 + 6*x + 3)/(x + 4)2 = 0
2*x + 6/x + 4 - x2 + 6*x + 3/x + 42 = 0
(2*x + 6)/(x + 4) - (x² + 6*x + 3)/(x + 4)² = 0
(2*x + 6)/(x + 4) - (x to the power of 2 + 6*x + 3)/(x + 4) to the power of 2 = 0