Khalifornia Khalifornia

02-06-2019
Mathematics

contestada

For questions 2 and 3, simplify each polynomial.
3x2 + 6 - 2x + 5x - 4x2 +9

A. -x^2 + 3x + 15
B. 7x^2 + 3x + 3
C. x^2-3x+15
D. -x^2 + 7x + 15

Respuesta :

MathPhys MathPhys

02-06-2019

Answer:

A

Step-by-step explanation:

3x² + 6 - 2x + 5x - 4x² + 9

Combine like terms:

3x² - 4x² - 2x + 5x + 6 + 9

-x² + 3x + 15

Answer Link

Otras preguntas

There was an Open Door policy between the U.S. and the other countries that traded in China. True False

There are two spinners. The first spinner has three equal sectors labeled 1, 2 and 3. The second spinner has four equal sectors labeled 3, 4, 5 and 6. The spinn

for some people, alcohol can cause an uncontrolled __________ of the eyes, making good vision almost impossible.

Which type of nuclear waste can be disposed of in a landfill?

The coefficients in a balanced equation relate the __________ of one substance to the __________ of another substance.

2. During the first stage of the writing process, you must define your _______, _______, and _______.

Help with part A and part B

What is the first step in summarizing a plot

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5:2:3. Chapter Reference How much punch can she make if she has only 6 cu

2e=2 what does e equal