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9x^2-64I need help solving
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9x^2-64I need help solving

User Tao Nhu
by
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1 Answer

3 votes

we have the expression


9x^2-64=0

Solve for x


\begin{gathered} 9x^2=64 \\ x^2=(64)/(9) \\ take\text{ square root on both sides} \\ x=\pm(8)/(3) \end{gathered}

The solutions are x=8/3 and x=-8/3

User Pruivo
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