SOLUTION: Can some one please help explain these? I am so lost. Thank you Factor out the GCF:4x^2+36y^2 Factor by grouping:3x^2-12x+5x-20 Thank you

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> SOLUTION: Can some one please help explain these? I am so lost. Thank you Factor out the GCF:4x^2+36y^2 Factor by grouping:3x^2-12x+5x-20 Thank you      Log On

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Question 35704: Can some one please help explain these? I am so lost. Thank you

Factor out the GCF:4x^2+36y^2
Factor by grouping:3x^2-12x+5x-20
Thank you
Answer by stanbon(48569) About Me  (Show Source):
You can put this solution on YOUR website!
Factor out the GCF:4x^2+36y^2
The greatest common factor is "4".
4(x^2+9y^2)


Factor by grouping:
3x^2-12x+5x-20=
3x(x-4)+5(x-4)
(x-4)(3x+5)
Cheers,
Stan H.