angeliaminervini716 angeliaminervini716
  • 01-04-2020
  • Mathematics
contestada

Solve.

x² + 4x + 4 = 18



​ x=−4±32‾√ ​
​ x=2±32‾√ ​
x=−2±32‾√
​ x=4±92‾√ ​

Respuesta :

lawrencecimora
lawrencecimora lawrencecimora
  • 01-04-2020

Answer:

x=−2+3√2

Step-by-step explanation:

x2+4x+4−18=18−18

x2+4x−14=0

For this equation: a=1, b=4, c=-14

1x2+4x+−14=0

x=

−b±√b2−4ac

2a

x=

−(4)±√(4)2−4(1)(−14)

2(1)

x=

−4±√72

2

x=−2+3√2 or x=−2−3√2

Answer Link
elmono111
elmono111 elmono111
  • 13-10-2020

Answer:

Step-by-step explanation:

Ver imagen elmono111
Answer Link

Otras preguntas

according to newton's law of universal gravitation which statements are true
A common field measurement used in the agriculture in Alberta is the quarter section. A quarter section is 1/2 mi long and 1/2 wide. Determine the length of a q
Identify the complete adverb clause. I'm going into the house because I'm cold. 1. I'm going 2. I'm going into the house 3. into the house 4. into the house bec
a example of desert
The slope AB is -4 Which segments are parallel to AB? Select each correct answer. A. JK, where J is at (8, 2) and K is at (12, 3) B. CD, where C is at (6, 2) an
Calculate the length of the third side?
Why do major league baseball teams have baseball academies in the Dominican Republic? A. to prepare for baseball season in private B. to develop baseball talen
What is a missionary
What is the first thing one should do if poison enters the eye?
Please help me Understand this :D