7(x - 2y)2 - 25(x - 2y) +12 please factorise it freinds
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Let x -2y = P =7p2 -25p +12
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Given Equation is 7(x - 2y)² - 25(x - 2y) + 12
= 7(x - 2y)² - 21(x - 2y) - 4(x - 2y) + 12 =
= 7(x - 2y)[(x - 2y) - 3] - 4[(x - 2y) - 3]
= = 7(x - 2y)[x - 2y - 3] - 4[x - 2y - 3]
= [7(x-2y) - 4][x- 2y - 3]
(7x - 14y - 4)(x - 2y - 3)
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