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Factorize each of the following algebraic expressions:x2 - y2 - 4xz + 4z2 |
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Answer» x2 – 2 (x) (2z) + (2z)2 – y2 As (a-b)2 = a2 + b2 – 2ab = (x – 2z)2 – y2 As a2 – b2 = (a+b)(a-b) = (x – 2z + y) (x – 2z – y) |
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