dsouzaaww14
dsouzaaww14
12-07-2017
Mathematics
contestada
4x^2 + kxy - 9y^2
How to solve for k?
Respuesta :
BlackBriarMead
BlackBriarMead
12-07-2017
-kxy=4x^2-9y^2
-kx=(4x^2/y)-9y
-k=4x/y-9y
k=-4x/y+9y
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