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Facorise 9x2 - 12xy + 4 y2 answer?? |
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Answer» Step-by-step explanation: 9x^2 - 12xy + 4y^2 = (3x)^2 - 12xy + (2y)^2=> (3x - 2y)^2 = 9x^2 + 4y^2 - 12xy=> (3x - 2y)^2 = (3x + 2y) (3x - 2y)Answer) (3x + 2y) (3x - 2y) |
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