Factorise:
3x²-y²+z²-2xy-4xz
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Answer:
3x² - y² + z²- 2xy - 4xz
= 3x²- 4xz + z² + y²- 2xy
= 3x² - 3xz - xz + z² + y²- 2xy
= 3x(x - z) - z(x-z) - y(y+2x)
= (x-z)(3x-z) - y(y+2x) (Ans)
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