09. Simplify
4[a-6 {a-2(3a - 4a + 3)}]
(1) 8a - 122
(2) 28a + 114
(3) -68a - 144
(4) - 38a - 124
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Answer:
4 [a-6 {a-2 (3a - 4a + 3)}]
= 4 [ a-6 { a-2 ( -1a +3)}]
= 4 [ a-6 {a - 2a +6)}]
= 4 [ a-6{-a +6)}]
= 4 [ a-6a +36)}]
= 4 [ -5a+36)}]
= -20a +144
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