ellenabbott
ellenabbott
16-05-2016
Mathematics
contestada
how do you factorise 9y^2 - 64
Respuesta :
chamby80
chamby80
16-05-2016
Simplifying 9y2 + -64
Reorder the terms: -64 + 9y2
Factor a difference between two squares. (8 + 3y)(-8 + 3y)
Final result:
(8 + 3y)(-8 + 3y)
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