Respuesta :

Answer:

  4 and -10

Step-by-step explanation:

Take the square root:

  x +3 = ±√49 = ±7

Subtract 3:

  x = -3 ± 7

For the minus sign, we have ...

  x = -3 -7 = -10

For the plus sign, we have ...

  x = -3 +7 = 4

The solutions are x = 4 and x = -10.

Ver imagen sqdancefan

The solutions of the quadratic equation x = 4 and x = –10

Step-by-step explanation: