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OpenStudy (anonymous):
factor completly 81x4 -16
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OpenStudy (anonymous):
Did you mean \(81x^4-16\)?
OpenStudy (anonymous):
Yes you are correct. I wrote it wrong.
OpenStudy (anonymous):
81 x 4 = 324 -16 = 308
OpenStudy (anonymous):
wait nevermind >;p
OpenStudy (anonymous):
Not wrong, you just didn't use the equation editor. It looks like the difference of two perfect squares to me.
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OpenStudy (anonymous):
@gypsy1274 can you help me with 2 math questions ?
OpenStudy (anonymous):
I can try. Post them in your own thread, tag me and I'll look.
OpenStudy (anonymous):
\( (9x^2 - 4)(9x^2+4)=(3x-2)(3x+2)(9x^2+4)\)
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