Question 86991
simplify these: 
1) 
[15x^2-x-2] / [3x^2-5x-2]
= [(3x+1)(5x-2)] / [(3x+1)(x-2)]
= [(5x-2)/(x-2)]
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2) 
[14x^2y^6z^9] / [7x^5y^4z^11]
= 2y^2 / x^3z^2
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3) 
[3y^2+5y^2+2z^2] / [2y^2+3yz+z^2]

= [7y^2+2z^2] / [(2y+z)(y+z)]
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Cheers,
Stan H.