nsegloriaMega nsegloriaMega

03-11-2016
Mathematics

contestada

Subtract and simplify: (11x2 + 7) – (6x2 + 3x – 3)

A.

5x2 + 3x + 10

B.

5x2 – 3x + 10

C.

5x2 – 3x – 4

D.

17x2 + 3x – 4

Respuesta :

kingburrito kingburrito

03-11-2016

Let's simplify step-by-step.

11x2+7−(6x2+3x−3)
Distribute the Negative Sign:
=11x2+7+−1(6x2+3x−3)=11x2+7+−1(6x2)+−1(3x)+(−1)(−3)=11x2+7+−6x2+−3x+3
Combine Like Terms:
=11x2+7+−6x2+−3x+3=(11x2+−6x2)+(−3x)+(7+3)=5x2+−3x+10
Answer:B
=5x2−3x+10

Answer Link

Otras preguntas

can someone help me please, everything helps. 20 points worth

I don't understand how it's wrong??

A court document is an example of a secondary source. True or False

2my + 7m +7x + 2xy factor by grouping

What is the SODAR of a molecule with 18 carbon atoms, 36 hydrogen atoms, and 3 oxygen atoms ?

Although not explicity mentioned in the Qur'an, what are considered the 5 pillars of Islam for Sunni Muslims? (85-90% of Muslims) Choose all answers that apply:

One sign that Parliament was out of touch with the American colonies is the fact that only one Member of Parliament raised objections to the passage of the 1765

To save for a new car, Trafton invested $3,000 in a savings account that earns 5.5% interest, compounded continuously. After four years, he wants to buy a used

Why should extra precautions against sun exposure be taken when boating? A. Water cancels out most sunscreens. B. UV rays are blocked over land, but not over

How did the belief in an a connection between magic and heresy affect the roles of men and women during the reformation