sabrinamiguel19
sabrinamiguel19
15-10-2014
Mathematics
contestada
X=-5 and Y=-6 (x+3y) squared.
Respuesta :
nhallman2017
nhallman2017
15-10-2014
(x+3y)^2
((-5)+3(-6))^2
(-5+3·6)^2
(-5+18)^2
(-5+18)(-5+18)
25-90-90+324
169 is your answer.
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