keannaspam7 keannaspam7
  • 04-08-2020
  • Mathematics
contestada

Solve the following non-linear system of equations algebraically.
y = - 2x² - 4x + 5 and
y = 2x^2 + 4x + 5

Respuesta :

raskolnikov
raskolnikov raskolnikov
  • 04-08-2020

Answer:

x = -2

Step-by-step explanation:

since y is common in both equations, you can equate them to be equal

-2x² - 4x + 5 = 2x² + 4x + 5

4x² + 8x = 0

factor out 4x

4x(x + 2) = 0

divide both sides by 4x

x + 2 = 0

x = -2

Answer Link

Otras preguntas

what is the value a in this 2a-54=a​
In Ben's Town we learn that Benjamin Franklin found "practical ways to solve problems, fill community needs, and to improve life for his fellow citizens. Frankl
stone is on ground at rest ,what are forces acting on it
Math help..???? Please?
Question is in the Pic Plz help!
Chose the best synonym for prodigious even as a small boy jack had quite a prodigious appetite eating seven meals a day A. Enormous B. Healthy C. Small D. Stra
How did the constitutional monarchy guarantee more freedom for the British people?​
which resources is best suited to finding the correct spelling for a word spell checker grammar checker usage guide Theseus HELP ASAP I WILL GIVE BRAINIEST
Which describes the effect factories had on rivers during the industrial revolution
Someone pleaseeee help. 1-The two bases that are purines are: 2- The two bases that are pyrimidines are