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

solve for x₁ and x₂6x₁+3x₂=606x₁-2x₂=80
How did the aboriginals people heal themselves before Europeans arrives?
90 < x < 180 is my range and my answer is 0.6 for it to be correct is it positive or negative?
what is the fraction ten twelfths in it's simplest form ?
What positive and negative traits does Odysseus demonstrate in his adventure with the Cyclop's?
Did Maya Angelou's uncle kill the mom's boyfriend after finding out he raped Maya or beat him to death?
What does it mean when Brutus says: "Into what dangers would you lead me, Cassius... that you would have me seek into myself...for that which is not in me?
What do you think was the most serious problem faced by settlers in Virginia? Why?
what is the full definition of adaptation?
How do you solve p+9 <7 AND graph it???