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 universal law of gravitation every object attracts every other object in the universe
compare the word alleys and ponies how are they alike how are they different​
1. What new forms of writing have developed in our networked world, and how has our writing changed as a result? (10 points)
What is the answer : The cells plasma membrane most resembles which system of the human body? A. Circulatory B. Digestive C. Musculoskeletal and D. Integumentar
Melanie purchased the following items: 2 T-shirts for $28.00 each,1 pair of jeans for $120.00 and 4 pairs of socks for $80.00. Calculate her change if she paid
Help this is 12 points! f(x) = -3x^2 + 2x - 7 Find f(-1)
Marie Tyndall is a student in the Jackson Heights Community College Medical Assisting Program. She and two other classmates have been assigned the project of cr
what are the answers for these 2?
Standard temperature and pressure are _____. 32 °F and 10 atm 0° C and 1 atm 10 K and 1 atm 0° F and 1 atm
help please thank you