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OpenStudy (anonymous):
Find the product. (3v+4)(3v-4)
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OpenStudy (mertsj):
Use this property: (a+b)(a-b)=a^2-b^2
OpenStudy (anonymous):
oh duh lol, so 9v^2-16?
OpenStudy (mathstudent55):
Correct. If you forget that (a + b)(a - b) = a^2 - b^2, you can always use FOIL.
OpenStudy (anonymous):
ah yes! Thanks
OpenStudy (mathstudent55):
wlcm
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