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Factorise : 4x^2 - y^2 + 6y - 9 |
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Answer» ONG>Answer: (2X-y+3)(2x+y-3) Step-by-step explanation: We have, =4x^2 - (y^2 - 6y + 9) =(2x)^2 - (y-3)^2 =(2x-y+3)(2x+y-3) |
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