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anonymous
 5 years ago
by foil method:
(7x+y) (2x3y)
anonymous
 5 years ago
by foil method: (7x+y) (2x3y)

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0first = (7x)(2x) = 14x^2 outter = (7x)(3y) = 21xy inner = (y)(2x) = 2xy last = (y)(3y) = 3y^2 then add all: 14x^2  20xy  3y^2

jhonyy9
 5 years ago
Best ResponseYou've already chosen the best response.0there is 19xy and not 21xy ATTENTION please !!! because 21xy+2xy=19xy

jhonyy9
 5 years ago
Best ResponseYou've already chosen the best response.0hope that is understandably

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[F: 7x \times 2x = 14x^2\] \[O: 7x \times 3y = 21xy\] \[I: y \times 2x = 2xy\] \[L: y \times 3xy^2\] \[FOIL: 14x^219xy3y^2\]
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