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

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

12-05-2021

Answer:

the answer is a

Step-by-step explanation:

it just is

Answer Link

Otras preguntas

plzzzz help me with this question ❓

Complete the paragraph based on what you have learned about different video-storage carriers. What kind of charge are they talking about??? Malcolm is a science

Determine the range of the following graph: 12 11 10 9 8 7 6 5 4 3 2 -12-11-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10 11 12 - 2 -9 -10 Can somebody h

it is 6 am in a city 'A at 90°W longitude. What is the time in city 'Bat 60°E longitude?

In what month was the Declaration of Independence signed??

In Paragraph 3, the author uses the phrase “simply turning a knob or switch.” How does that phrase affect the meaning of the article? A. The plain, precise lang

does this figure have symmetry?

PLEASE HELP WILL GIVE BRAINLIEST AND 5.0 RATING

Pls somone help me plssssss

A student performs redox titration between 10.0 mL of hypochlorous acid, HCIOlaq) and chromlumilll) nitrate; Cr(NO3)3aq) The half-reactions are given below: 7 H