ellenabbott ellenabbott

16-05-2016
Mathematics

contestada

how do you factorise 9y^2 - 64

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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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