victorbattle23 victorbattle23

12-05-2020
Mathematics

contestada

5. (9r 3 + 5r 2 + 11r) + (-2r 3 + 9r - 8r 2)

Respuesta :

keziakh004 keziakh004

12-05-2020

Answer:

7r³ - 3r² + 20r

Step-by-step explanation:

(9r³ + 5r² + 11r) + (-2r³ + 9r - 8r²)

You can get rid of the parentheses since there is nothing to distribute.

9r³ + 5r² + 11r - 2r³ + 9r - 8r²

Combine like factors.

7r³ - 3r² + 20r

Answer Link

Otras preguntas

Which of the following habits will help you stay on the “wellness end” of the health continuum? Help with other ones too if wrong

how do you find the surface area of a composite figure?

What did cheap land in the West, new farm machinery, and the growth of railroads lead to in the late 1800s? A. Boomtowns B. Bonanza farms C. Ghost towns D. Kibb

Read the passage. There are many reasons why people should buy hybrid automobiles. First, hybrid automobiles are good for the environment. Second, people who o

simplyfy -5(2x - 1) + 3x

This would be a big help so plzzz help me =/ Can you put these number from least to greatest? 3/32 x 4 3/4 x 2 1 7/8 x 4 2.25 x 2 1.5 x 4 3/8 x 4 5/64 x 3 3.7

What is the equation of the line that passes through the point (-1,7) and is parallel to the line y= -2x-1

Identify the following sentence as declarative, interrogative, imperative, or exclamatory. Is this your pen? interrogative declarative exclamatory imperative

solve the following system of equations {-2x+y=2, 3x-2y=4

With a doctor permission how many servings of the product could a person eat before reaching 100 percent