please answer me the b one please
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Hope it really helps.....
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a) 2a + 2b + 2c - 2a -2b -2c -2b + 2c + 2a = 4a + 4c + 2b - 2a - 4b - 2c
=2a - 2b -2c (Trinomial)
b) = 12x3 + 58x3 - 54x3 - 20x - 7x + 31x +1 - 13
= 16x3 + 4x -12 ( Trinomial)
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