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OpenStudy (anonymous):
What is the expression in factored form? 9 x ^ 2 - 4
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OpenStudy (anonymous):
does it = 0?
OpenStudy (anonymous):
If it does then it would be: (3x - 2)(3x + 2)
OpenStudy (anonymous):
Can you show work on how you do it please?
OpenStudy (anonymous):
so you want no middle term which means you need two perfect squares which you have... 9 and 4 sqrt(9) = 3 sqrt(4) = 2 to cancel the middle term make one +2 and the other -2
OpenStudy (anonymous):
Okay
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OpenStudy (anonymous):
and is that it?
OpenStudy (anonymous):
(3x - 2)(3x + 2) final answer
OpenStudy (anonymous):
Thank you!!
OpenStudy (anonymous):
No problem
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