al3xandrialayne
How to determine the zeros for this equation:
f(x)=(x3)2  121



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allank
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Hint: zeros = roots

allank
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You might want to start by replacing f(x) with 0.

MajikDUSTY
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As the guys above said, replacing f(x) with 0 would be the first step. Then simply solve for x!

precal
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dw:1353467498840:dw

precal
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dw:1353467540367:dw