Factorise 7 x 2y 2 25 x 2y 12
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Factorise :- 7 ( x - 2y )^2 - 25 ( x - 2y ) + 12
Answered by admin @
Answer:
(7x - 14y - 4)(x - 2y - 3)
Step-by-step explanation:
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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