Question

3x a la potencia 2 -27= 0​

Answer 1

# RESOLVEMOS

${3x}^{2} - 27 = 0 \\ {3x}^{2} = 0 - 27 \\ {3x}^{2} = 27 \\ \frac{ {3x}^{2} }{3} = \frac{27}{3} \\ {x}^{2} = 9 \\ x = \sqrt{9} \\ x = 3$

R = 3