Graph of the function intersects the axis X at f = 0
so we need to solve the equation:
$$\frac{\left(x + 4\right)^{2}}{4 \left(x + 2\right)} = 0$$
Solve this equationThe points of intersection with the axis X:
Analytical solution$$x_{1} = -4$$
Numerical solution$$x_{1} = -4.00000089570772$$
$$x_{2} = -4.00000089770548$$
$$x_{3} = -4.00000097190861$$
$$x_{4} = -4.00000094290688$$
$$x_{5} = -4.00000094508691$$
$$x_{6} = -4.00000089514573$$
$$x_{7} = -4.00000100103164$$
$$x_{8} = -4.0000009508446$$
$$x_{9} = -4.00000103181989$$
$$x_{10} = -4.0000009562773$$
$$x_{11} = -4.00000088845214$$
$$x_{12} = -4.00000084113385$$
$$x_{13} = -4.00000096627196$$
$$x_{14} = -4.00000093764677$$
$$x_{15} = -4.00000094590147$$
$$x_{16} = -4.00000094867013$$
$$x_{17} = -4.00000095792975$$
$$x_{18} = -4.00000080224893$$
$$x_{19} = -4.00000104788392$$
$$x_{20} = -4.00000087626258$$
$$x_{21} = -4.00000094676681$$
$$x_{22} = -4.00000097904072$$
$$x_{23} = -4.00000089393283$$
$$x_{24} = -4.00000089724015$$
$$x_{25} = -4.00000089675314$$
$$x_{26} = -4.00000093807003$$
$$x_{27} = -4.00000043966276$$
$$x_{28} = -4.00000094768785$$
$$x_{29} = -4.00000094359327$$
$$x_{30} = -4.00000089025587$$
$$x_{31} = -4.00000086388803$$
$$x_{32} = -4.00000088130397$$
$$x_{33} = -4.00000087205813$$
$$x_{34} = -4.00000085661623$$
$$x_{35} = -4.00000098835447$$
$$x_{36} = -4.00000094163948$$
$$x_{37} = -4.00000114337109$$
$$x_{38} = -4.0000009404955$$
$$x_{39} = -4.00000083408295$$
$$x_{40} = -4.00000089258488$$
$$x_{41} = -4.00000106923562$$
$$x_{42} = -4.00000093996429$$
$$x_{43} = -4.00000084709342$$
$$x_{44} = -4.00000089107798$$
$$x_{45} = -4.00000121659699$$
$$x_{46} = -4.00000093945775$$
$$x_{47} = -4.00000094971997$$
$$x_{48} = -4.00000088272513$$
$$x_{49} = -4.000000891853$$
$$x_{50} = -4.00000089455486$$
$$x_{51} = -4.00000068401274$$
$$x_{52} = -4.00000096893438$$
$$x_{53} = -4.00000093685198$$
$$x_{54} = -4.00000101929569$$
$$x_{55} = -4.00000099416819$$
$$x_{56} = -4.00000085219683$$
$$x_{57} = -4.00000087426083$$
$$x_{58} = -4.00000089815054$$
$$x_{59} = -4.00000096387477$$
$$x_{60} = -4.00000089857663$$
$$x_{61} = -4.00000095475664$$
$$x_{62} = -4.00000088526206$$
$$x_{63} = -4.00000089937655$$
$$x_{64} = -4.00000088404071$$
$$x_{65} = -4.0000009443188$$
$$x_{66} = -4.00000073159786$$
$$x_{67} = -4.00000081523917$$
$$x_{68} = -4.00000088639895$$
$$x_{69} = -4.00000089898494$$
$$x_{70} = -4.00000177187209$$
$$x_{71} = -4.00000088938226$$
$$x_{72} = -4.00000086048048$$
$$x_{73} = -4.00000094225654$$
$$x_{74} = -4.00000093611943$$
$$x_{75} = -4.00000086962261$$
$$x_{76} = -4.00000088745985$$
$$x_{77} = -4.00000136040054$$
$$x_{78} = -4.00000093647839$$
$$x_{79} = -4.00000082561072$$
$$x_{80} = -4.00000100925739$$
$$x_{81} = -4.000000879764$$
$$x_{82} = -4.00000089327711$$
$$x_{83} = -4.0000009597319$$
$$x_{84} = -4.00000093724111$$
$$x_{85} = -4.00000098336677$$
$$x_{86} = -4.00000094105322$$
$$x_{87} = -4.00000087808966$$
$$x_{88} = -4.0000008962429$$
$$x_{89} = -4.00000078550477$$
$$x_{90} = -4.00000093851208$$
$$x_{91} = -4.00000076310429$$
$$x_{92} = -4.00000095205229$$
$$x_{93} = -4.00000097525285$$
$$x_{94} = -4.00000093897419$$
$$x_{95} = -4.00000095335262$$
$$x_{96} = -4.00000096170506$$
$$x_{97} = -4.00000060380309$$
$$x_{98} = -4$$
$$x_{99} = -4.00000109900034$$
$$x_{100} = -4.00000086691531$$