Factorise the following:
2a2x - bx + 2a2 - b
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Rearranging the above terms we get,
2a2x + 2a2 - bx - b
= 2a2(x + 1) - b(x + 1)
= (x + 1)(2a2 - b).
Hence, 2a2x - bx + 2a2 - b = (x + 1)(2a2 - b).
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