Answer:
its called um srry dont know
Explanation:
a−6
−
3
a+6
a2
36−a2
=
−2a4−3a3+54a2+108a+648
−a4+72a2−1296
(−a−6)(a−6)(2a2+3a+18)
(−a−6)(a−6)(a+6)(a−6)
2a2+3a+18
a2−36
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