If A=[(2,-3),(-4,1)] then (3A^2+12A) is ...

If `A=[(2,-3),(-4,1)]` then `(3A^2+12A)` is equal to
(a) `[(72,-84),(-63,51)]`
(b) `[(51,63),(84,72)]`
(c) `[(52,84),(63,72)]`
(d) `[(72,-63),(-84,51)]`

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