Question 117683
factor 
4x^2-12x+5
= 4x^2-2x-10x+5
= 2x(2x-1)-5(2x-1)
= (2x-1)(2x-5)
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3x^2-5x-2
= 3x^2-6x+x-2

= 3x(x-2)+(x-2)

= (x-2)(3x+1)

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Cheers,
Stan H.