factorise:x²+4x-8y+4y²-4xy
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He is the required answer
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anmolsethi:
x²-y²-z²+2yz
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Answer:
x^2 + 4x + 8y + 4xy + 4y^2
= (x^2 + 4xy + 4y^2) + (4x + 8y)
= (x + 2y)^2 + 4(x + 2y)
= (x + 2y)(x + 2y + 4)
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