Babygirl322 Babygirl322

24-08-2016
Mathematics

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help me .................

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dalendrk dalendrk

28-08-2016

[tex]8g^2+6g-9=8g^2+12g-6g-9=4g(2g+3)-3(2g+3)=(4g-3)(2g+3)[/tex]

[tex]20x^2+22x-12=2(10x^2+11x-6)=2(10x^2+15x-4x-6)\\\\=2[5x(2x+3)-2(2x+3)]=2(5x-2)(2x+3)[/tex]

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