kristyuribeku
contestada

Please help!

Solve x2 - 8x = 3 by completing the square. Which is the solution set of the equation?

A. (4 - √19, 4 + √19)
B. (4 - √11, 4 + √11)
C. (4 - √8, 4 + √8)
D. (4 - √3, 4 + √3)

Respuesta :

Space

Answer:

A.

Step-by-step explanation:

Step 1: Write equation

x² - 8x = 3

Step 2: Solve for x

  1. Complete the Square: x² - 8x + 16 = 3 + 16
  2. Factor: (x - 4)² = 19
  3. Square root both sides: x - 4 = ±√19
  4. Add 4 to both sides: x = 4 ± √19
goofedupprincess

Answer:

A

Step-by-step explanation:

because when doing these equations it is the same except one is positive and one is negative