9 X + 5 -[4x-{3x -2 (4x-3)}]
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Answer:
to evaluate 9x + 5 - [ 4x - {3x - 2 (4x - 3)}]
=> 9x + 5 - [ 4x - { 3x - 8x + 6}]
=> 9x + 5 - [ 4x - 3x + 8x - 6 ]
=> 9x + 5 - 4x + 3x - 8x + 6
=> 9x - 4x + 3x - 8x + 5 + 6
=> 12x - 12x + 5 + 6
=> 11
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