Answer:
(x - 5)² - 25
Step-by-step explanation:
Using the method of completing the square
add/ subtract ( half the coefficient of the x- term)² to x² - 10x
x² + 2(- 5)x + 25 - 25
= (x - 5)² - 25
B. 55,000,000 from 54,860,000
Answer:
x+16
Step-by-step explanation:
For this one the negative signs become positive because, if you multiply a negative number*a negative number it becomes positive. That is a rule.
