Answer:
d
Explanation:
3x12 = 36
a^4 x a^5= a x a x a x a x a x a x a x a x a = a^9
b^6 x b^2 = b x b x b x b x b x b x b x b = b^8
c^2 x c = c x c x c = c^3
36 + a^9 + b^8 + c^3
36a^9b^8c^3
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