Question

4√x+2=30 ayudaa es para un examen ​

Answer 1

Respuesta:

$4 \sqrt{x + 2} = 30 \\ {(4 \sqrt{x + 2} )}^{2} = {30}^{2} \\ 16(x + 2) = 900 \\ 16x + 32 = 900 \\ 16x = 900 - 32 \\ 16x = 868 \\ x = \frac{868}{16}= \frac{217}{4}$