Answer:
x = 4 ± 
Step-by-step explanation:
Given
x² - 8x = 3
To complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 4)x + 16 = 3 + 16
(x - 4)² = 19 ( take the square root of both sides )
x - 4 = ±
( add 4 to both sides )
x = 4 ±
D. {x | x E R} because its all real numbers
Answer: For the model one it’s option 1 and for the other one it’s 10,000
Step-by-step explanation:
-4,3,and 0
the domain is the x values
hope this helps