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

Why is Jada wearing a costume? What is the answer
Need help on khan best answer is brainliest
h(x)=4/x-5 determine for each x-value whether it is in the domain of h or not
will give Brainiest if you are right
Describe how mutations and meiosis lead to variation within a population and the role of variation in the speciation of the tortoises
A bird flew 60 miles in 5 hours. What was its speed?Answer
PLEASE HELP ITS ERGENTGraph the integers and their opposites.1. -2 2. 203. 13
need help finding area
Doy corona (solo a modo orientativo) ¿qué es el outsourcing? ¿Qué es una economía globalizada? ¿Cómo es la oferta en este tipo de economías? ¿Y la demanda? ¿Ex
Please help me!!! Question 1(5 points) How would George Orwell respond to Mark Forsyth? Write a two paragraph response using the following suggestions to guide