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Factorize the following expressions:125x2 – 45y2 |
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Answer» We have, 125x2 – 45y2 = 5 (25x2 – 9y2) = 5 [(5x)2 – (3y)2] (By using the formula (a2 – b2) = (a-b) (a+b)) = 5 (5x + 3y) (5x – 3y) |
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