macipope macipope

06-01-2017
Mathematics

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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

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