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

What branch of government is the department of health and human services?
Why is it impossible for a function to have fewer values in its domain than in its range?
help A rectangular table is positioned in a 10-foot by 10-foot room as shown. How long is the longer edge of the table? Square root of feet What is the area o
Propanol and isopropanol are isomers. this means that they have
Who owns the alcoholic beverages of a private club answer?
john bought 2 boxes of books at a yard sale if each box had 5 books how many books did he buy
Biology shows us the fossil record and comparative anatomies. Chemistry shows us that organic molecules can come from inorganic matter. Geology shows us that or
The areas at the very front of the cortex _____.
What efforts were made by President Lyndon B. Johnson to improve American society? President Johnson reduced taxes on the wealthy believing it would improve the
Function 32 f(32) = 120 + 5(32 − 30) 36 f(32) = 120 + 5(36 − 30) 38 f(32) = 120 + 5(38 − 30) 40 f(32) = 120 + 5(40 − 30)