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QUESTION:
Factor: 9 x - 25 y2 + 10 y - 1
9x- (25 y- 10 y + 1)
9x- (5y - 1)
[3x - (5y - 1)] [3x + (5y - 1)]
(3x - 5y + 1) (3x + 5y - 1)
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Information Related to the problem: Perfect Square: (a + b)2 = a2 + 2a + b2 Perfect Square: (a - b)2 = a2 - 2a + b2 Differences of Squares: a2 - b2 = (a - b)(a + b)
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