annab957 annab957
  • 02-12-2019
  • Mathematics
contestada

x squared by 2 + 4x = -11

Respuesta :

Yang100
Yang100 Yang100
  • 02-12-2019

Answer:

x=-2+sqrt(7)*i, -2-sqrt(7)*i

Step-by-step explanation:

x^2+4x=-11

x^2+4x-(-11)=0

x^2+4x+11=0

Apply the quadratic formula with a=1, b=4 and c=11.

Answer Link

Otras preguntas

Find the value of the expression log27√3
what is the surface area, in square inches, of a 8-inch cube?
A 1-kilogram coconut falls out of a tree from a height of 3 meters. Determine the coconut's kinetic energy.
Why did The First and Second Banks of the United States fail?
St. Paul was a follower of Jesus who spread Jesus’ teachings to people other than the Jews. St. Paul thought of himself as an apostle to which of these people?
explain how the bonding properties of carbon atoms result in the large variety of carbon-based molecules in living things
reduce 72:81 to its simplist form
Help? Which of the following best describes clear-cut logging? A. It is the method by which logging mills process raw timber. B. It is the process of completely
What feeling did Li Keng Wong experience on Angel Island?.
If (on earth) an object falls 18m and loses 36J of GPE. What is the objects mass?