snook48shopping
snook48shopping snook48shopping
  • 02-05-2022
  • Mathematics
contestada

Solve the system of equations. y=4x+5y=x2+12x+20

Respuesta :

LoveFakeOnlinePoints LoveFakeOnlinePoints
  • 02-05-2022

Answer:

 [tex]\begin{pmatrix}x=-3,\:&y=-7\\ x=-5,\:&y=-15\end{pmatrix}\\[/tex]

Step-by-step explanation:

[tex]\begin{bmatrix}y=x^2+12x+20\\ y=4x+5\end{bmatrix}[/tex]

[tex]\mathrm{Subtract\:the\:equations}[/tex]

[tex]y=x^2+12x+20[/tex]

[tex]y-y=x^2+12x+20-\left(4x+5\right)[/tex]

[tex]\mathrm{Simplify}[/tex]

[tex]0=x^2+8x+15[/tex]

Answer Link

Otras preguntas

x=15 in the form of |x-b|=c (where b is a number and c can be either number or an expression)
PLS HELP WILL GIVE BRAINLIEST
A car of mass 1200kg moving 90km/hr is brought to rest over a distance of 20m. calculate breaking force.​
Experienced incidents when your rights were disregarded or violated
Nasrin invested $6000 in a bond at a yearly rate of 3%. She earned $450 in interest. How long was the money invested?​
Communication in a restaurant setting is incredibly important. Identify and describe three interactions: between two coworkers, an employer, an employee, and a
i need help this is due in 10 mins
Back to Content 3.02 Quiz: How Fossil Fuels Form QUIZ: How Fossil Fuels Form Where does the energy from fossil fuels originally come from? O sun O plants O anim
Write an equation for the nth term of this sequence: 1/8, 1/4, 1/2, 1..
-4-(3) = 3+(-5) = 4+6= -5-9= -4+(-9) =​