6wu9yzkirq 6wu9yzkirq
  • 09-02-2021
  • Mathematics
contestada

find the sum of x^2 + 3x and 2x^2 + 9x + 5

Respuesta :

Hrishii
Hrishii Hrishii
  • 09-02-2021

Answer:

[tex] 3 {x}^{2} + 12x + 5[/tex]

Step-by-step explanation:

[tex](x^2 + 3x) + (2x^2 + 9x + 5) \\ \\ = x^2 + 3x + 2x^2 + 9x + 5 \\ \\ = {x}^{2} + 2 {x}^{2} + 3x + 9x + 5 \\ \\ = 3 {x}^{2} + 12x + 5[/tex]

Answer Link

Otras preguntas

four times a number is at least 2
how many days were in February in 1984?
How would you to solve this equation by showing all your work and answer for my math teacher to correct 5-6k=8
What's 22 to the power of 3
si un estudiante quiere ir al blank le digo que no
What formula do I use for the second question? For number 3 how is one energy converted to the other? ( using arrows ) I get number 4 so I don't need help with
Which was not an achievement of Prince Henry of Portugal? A. used his curiosity and passion for adventure and the sea to advance sea travel and exploratio
How did nullification relate to tariffs in the early 1800s?
What is the sum of -1/2 and 3/4?
There are 32 peanuts in a bag. Elliott take 25% of the peanuts from the bag. Then Zaire takes 50% of the remaining peanuts, How many peanuts are left in the bag