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#### paulmdrdo

##### Active member

- May 13, 2013

- 386

this stunned me. i stare at these problem for a while and tried my best to factor it but no success. please help me solve this.

1. $x^3+x^2y^2+x^2+xy+y^3+4y-3xy^2-12x$

2. $3x^2+7xy-3xz-2yz+4y^2-6z^2$

1. $x^3+x^2y^2+x^2+xy+y^3+4y-3xy^2-12x$

2. $3x^2+7xy-3xz-2yz+4y^2-6z^2$

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