Answer:
4th option
Step-by-step explanation:
x² - 2x - 3 = 0 ( add 3 to both sides )
x² - 2x = 3
using the method of completing the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 1)x + 1 = 3 + 1
(x - 1)² = 4
Answer: It should be 18...(Multiple of 9)
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
12 is a composite number.
Composite Number-A whole number that can be divided evenly by numbers<span> other than 1 or itself.
Prime Number- </span> A Prime Number<span> can be divided evenly only by 1, or itself. </span>