Answer:
(x - 5)² = 39
Step-by-step explanation:
Given
x² - 10x = 14
To obtain an equivalent equation use the method of completing the square.
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 5)x + 25 = 14 + 25
(x - 5)² = 39
A.38/2
Dividing helps a lot in these situations.
Hope I helped!
Answer:
its resolved
Step-by-step explanation:
Answer:
55
Step-by-step explanation:
all angles shoudl equal 180. 180-80=100// 100= (x+67)+(x+57)// 100=2x+124// -24=2x//x=-12// -12+67= 55
