mf0datazz
mf0datazz mf0datazz
  • 03-02-2017
  • Mathematics
contestada

Find (3a2 - 2a + 4) - (a2 - 3a + 7) .


A. 2a^2 + a - 3

B. 2a^2 - 5a + 11

C. 4a^2 - 5a + 11

D. 4a^2 + a - 3

Respuesta :

WordSpinner
WordSpinner WordSpinner
  • 03-02-2017
(3a^2 - 2a + 4) - (a^2 - 3a + 7) = (distribute the negative sign)
3a^2 - 2a +4 - a^2 + 3a - 7 = (add like terms)
2a^2 + a - 3
So, the answer is A!

Answer Link
lalilovesunicorns
lalilovesunicorns lalilovesunicorns
  • 12-05-2021

Answer:

the answer is a

Step-by-step explanation:

it just is

Answer Link

Otras preguntas

PLEASE HELP!! 50 POINTS!!
What does derealization mean? What are the symptoms of it?Weirdcore edition please. ​
find the height of a a cuboid if it's length is 10m , breadth is 5m and LSA is 180m² .NONSENSE = REPORT ​
Calculate the number of moles of hydrogen chloride produced from 10 moles of hydrogen. H₂(g) + Cl₂(g) → 2HCl(g)?
Lauryn wants to analyze the weights of the dogs for people that own that animal in her class. She records the following weights in a class survey: 28, 61, 17, 4
PLEASE HELP FAST IM ON A TIMER Why is the Continental Divide important?It forms two river systems.It combines two large ice sheets.It separates two major waters
How does Spencer’s use of chronological order affect the plot of his narrative? Readers are able to share in Spencer’s surprise at discovering that his new coac
What topic do you expect to find in colonial womens writing?
a huge airship only 78 feet shorter than the titanic
what is 6÷2(1+2)someone help ​