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FACTORISE  X2y-y2x+z2y-y2z+z2x-x2z

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FACTORISE 

X2y-y2x+z2y-y2z+z2x-x2z

  • 1 answers

Rashmi Bajpayee 8 years, 1 month ago

The correct expression is

x2y - y2x - z2y + y2z + z2x - x2z

= x2y - x2z - y2x + z2x - z2y + y2z

= x2(y - z) - x(y2 - z2) + yz(y - z)

= x2(y - z) - x(y - z)(y + z) + yz(y - z)

= (y - z){x2 - xy - xz + yz}

= (y - z){x(x - y) - z(x - y)}

= (y - z)(x - y)(x - z)

= (x - y)(y - z)(x - z)

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