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Factorise:(i)-4 a2 + 4ab-4ca(ii) 2xy +3 + 2y + 3xEa |
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Answer» i) -4a² + 4ab -4ca -4 a (a - b + c) ii) 2xy + 3 + 2y + 3x 2xy + 2y + 3 + 3x 2y ( x + 1) + 3 ( x + 1) ( x + 1) ( 2y + 1) |
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