ogdavidd
ogdavidd
21-06-2018
Mathematics
contestada
help me please i need help with this
Respuesta :
lilsis599
lilsis599
21-06-2018
(2x +y)(5x-y+3)
10x^2 - 2xy + 6x + 5xy - y^2 + 3y
10x^2 -2xy+5xy + 6x - y^2 + 3y
10x^2 +3xy + 6x -y^2 +3y
Looking at the answer boxes the sign looks wrong to me from y^2 ( a negative times a positive is a negative) I may be wrong.
Anyone else?
Answer Link
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