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

what colors are birds are attracted 2
what is the cell cycle??
what colors are birds are attracted 2
7x+3y=22 4y=20 I need to know how to write this equation out with the answer
1. What is the respiratory structure of a millipede? A. book lungs B. tracheal tube C. gill slits 2. what is the respiratory structure of a spider? A. gills B.
how do i round 3,176 to the nearest thousand
Is STM semantically or acoustically encoded??
What organs work with skin?
I need a Amazon tribe name please! Need for Monday
Which of the following oxides can dissolve in water to form a solution that would turn litmus indicator red in color? a. MgO b. K₂O c. CO₂ d. ZnO e. H₂O