Respuesta :

sqdancefan

Answer:

  • smaller: -4
  • larger: 4

Step-by-step explanation:

  5x^2 +3 = 83 . . . . given

  5x^2 = 80 . . . . . . .subtract 3

  x^2 = 16 . . . . . . . . .divide by 5

  x = ±√16 = ±4 . . . take the square root

The smaller value of x is -4; the larger value, +4.