macipope
macipope macipope
  • 06-01-2017
  • Mathematics
contestada

Please help!!

Answer both correct for a brainliest and also a thanks , don't answer if you don't know it!

Please help Answer both correct for a brainliest and also a thanks dont answer if you dont know it class=

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RASEA23
RASEA23 RASEA23
  • 06-01-2017
8. 5w(4w^2-2w)+3w(-2w^2+4w)
    20w^3-10w^2-6w^3+12w^2
    14w^3+2w^2
    D

9. (3x-2)(3x+2)
    Use FOIL.
    (3x)(3x)+(3x)(2)+(-2)(3x)+(-2)(2)
    9x^2+6x-6x-4
    9x^2-4
    B
    
Hope this helps :)
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