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Mathematics 20 Online
OpenStudy (anonymous):

(x+3)(y+6)

OpenStudy (goldendragon01):

-1.984e16

OpenStudy (anonymous):

use FOIL (first, inner, outer, last) multiply them x*y = xy 3*y = 3y x*6 = 6x 3*6 = 18 add them xy + 3x + 6x + 18 simplify xy + 9x + 18

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