AkoredeT604834
AkoredeT604834
30-10-2022
Mathematics
contestada
como se resuelve esto? 5x²+15=60
Respuesta :
KaungO184157
KaungO184157
30-10-2022
[tex]\begin{gathered} 5x^2+15\text{ = 60} \\ 5x^2=60-15 \\ 5x^2=45 \\ x^2=\frac{45}{5} \\ x^2=9 \\ x=\sqrt[]{9\text{ }}=\pm3 \end{gathered}[/tex]
x = 3 or -3
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