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

What's an equation to show 16 - 9
how many points in volleyball do you need to win?
how do i do the south america project
Janine has job offers at two companies. one company offers a starting salary of $28,000 with a raise of $3000 each year . the other company offers a starting sa
This question has no label 1. (2x2 + y)(2x2 - y) 2. 4(2x2 + y)(2x2 - y) 3. (x + 4y)(x - 4y) 4. 4(x + 4y)(x - 4y) 5. prime a. Factor 4x4 - y2 b. Factor 4x2
A balance is used to determine: my answer is a weight mass gravity
The role of data analysis in the scientific method?
One day Lexi and i whent to the park to do challenging's and I picked up 34 sticks and Lexi picked up 34 times the siicks i got. How many did i have all togeth
What is the answer to -7+x=x/10-16
how do i subtract integers