Answer:
The GCF of 36 and 90 is 18
<span><span> x-4/x3-64</span> </span>Final result :<span> x4 - 64x3 - 4
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x3 </span>
First we have to find the vertex (h,k) h is also x and it also is the a xis symmetry
1st: group the number
(X2+6x)-9
2nd: use b/2
6/2 = 3 , 3^2= 9
(X2+6x+9)-9-9
(X2 + 3)-18
Vertex is 3,-18 so the symmetry is 3