BANANZA23
BANANZA23
14-02-2017
Mathematics
contestada
(x + 3) ( x - 3) multiply
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Аноним
Аноним
14-02-2017
(x + 3) ( x - 3)
= x
² + 3x - 3x - 9 = 0
= x² - 9 = 0
= x² = 9
= x =√9
x = 3
In short, Your Answer would be 3
Hope this helps!
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