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Question Number 74163 by MASANJAJ last updated on 19/Nov/19
factorize (x−1)^2 −4y^2
factorize(x−1)2−4y2
Answered by MJS last updated on 19/Nov/19
a^2 −b^2 =(a−b)(a+b) (x−1)^2 −4y^2 = =(x−1−2y)(x−1+2y)= =(x−2y−1)(x+2y−1)
a2−b2=(a−b)(a+b)(x−1)2−4y2==(x−1−2y)(x−1+2y)==(x−2y−1)(x+2y−1)

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