robbychola3182 robbychola3182

23-12-2020
Mathematics

contestada

Find the value
of
(3x + 3y)^2
If xy = =-2 and x^2+y^2=5

Respuesta :

rehandev390 rehandev390

23-12-2020

Step-by-step explanation:

9x^2 + 9y^2 + 18xy

9(5)+18(-2)

45-36

9

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