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OpenStudy (anonymous):
[7.07] Choose the correct product of (9x − 5)(9x + 5). 81x2 + 90x + 25 81x2 − 25 81x2 + 25 81x2 − 90x + 25
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OpenStudy (nurali):
(9x − 5)(9x + 5) 81x2 − 25
OpenStudy (mathstudent55):
Use FOIL.
OpenStudy (anonymous):
Thank You All
OpenStudy (mathstudent55):
wlcm
OpenStudy (anonymous):
(9x-5)(9x+5) (9x)(9x)=[81x^2] (5)(5)=[25] soo. 8x^2-25
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OpenStudy (mathstudent55):
^81x^2 - 25
OpenStudy (anonymous):
Perfect Your All Correct
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