(iii) (a + 2b)2 - 9c
(vi) 64 - - 12 - 2xy
X + C
orm
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(iii) (a + 2b)2 - 9c
(vi) 64 - - 12 - 2xy
X + C
orm
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Step-by-step explanation:
(iii) (a + 2b)2 - 9c
2a + 4b - 9c
(iv) 64 - (-12) - 2xy
64 + 12 - 2xy
76 - 2xy
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