Seudónimo Seudónimo
  • 11-07-2020
  • Mathematics
contestada

Solve this quadratic equation by completing the square.
x2 + 4x = 15
A. X=-2 19
B. X=-4 + 15
C. X = -4 + 19
D. X = -2 + 15
SUB

Respuesta :

swan85 swan85
  • 11-07-2020

Answer:

-2+√19 or x=-2-√19

Step-by-step explanation:

completing the square it results :

x=-2+√19 or x=-2-√19

Answer Link

Otras preguntas

Today the term, egg tempera, refers to a kind of paint that is commercially available using synthetic binders and is commonly used as a children's art material.
Classify this triangle
_____ are tiny air sacs where oxygen is absorbed.
(I HAVE 20min TO ANSWER THIS, NEED HELP) Based on the field lines, what are the charges of the objects? OX: positive Y: negative OX: negative Y: positive O X: n
Urgent help needed! Thankyou!
please help asap!!! How does the author of the Newsela article "PRO/CON: Binge-Watching" inform the reader about positive social interactions? by explaining tha
Who's your favorite Rapper? Mine is J.Cole
pleas help due tonight​
i need help answering these im just confused lol
What are the types of physical quantites? pls answer in 1 minute​