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Simplification of an Expression

Simplify: 3a...

Question

Simplify:
$3 a \times [8 b \div 4 - 6 {a - (5 a - ¯ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ ¯ 3 b - 2 a)}]$ , then the answer is $108 a^{2} - 48 a b$
If true then enter $1$ and if false then enter $0$

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Solution

USING BODMAS
$S i m p l i f y i n g 3 a * [8 b \div 4 - 6 {a - (5 a - ¯ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ ¯ 3 b - 2 a)}], = 3 a [8 b \div 4 - 6 {a - (5 a - 3 b + 2 a)}] = 3 a [8 b \div 4 - 6 {a - 7 a + 3 b}] = 3 a [2 b + 36 a - 18 b] = 108 a^{2} - 48 a b$

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