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Como se resuelve esto? 5x²+15=60
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Como se resuelve esto? 5x²+15=60

User Timur Panzhiev
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1 Answer

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\begin{gathered} 5x^2+15\text{ = 60} \\ 5x^2=60-15 \\ 5x^2=45 \\ x^2=(45)/(5) \\ x^2=9 \\ x=\sqrt[]{9\text{ }}=\pm3 \end{gathered}

x = 3 or -3

User Jenis Patel
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