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

how to write 430, 290, 100 in expanded form?
The House of Representatives has the special power to
what is 5/10+1/5 to this problem please help me
Answer on this one please: the coastline of the United States is 12,383 miles long.canada's coastline is 113,211 miles longer than the coastline of United State
What is the expanded form for 6.324
find a whole number x in x/113 so that the ratio is a good estimate for pi
A teacher is choosing 4 students from a class of 30 to represent the class at a science fair. In how many ways can the teacher choose the students?
How do we solve an equation by factoring?Problems such as x² - 9 = 0 and x²  + 13x = -36.
give an example of a unit rate used in a real-world situation
What is 30,944 rounded to the nearest ten thousands