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

By a large margin, which group made up the majority of California's population in 1840? A. Spanish convicts B. Irish immigrants C. Native

Which word in the sentence should be capitalized? last winter Gillian went snowboarding for the first time. a. Time b. Winter c. Last d. Snowboarding

How many solutions does the equation 4n + 6 = 4 + 2 + 4n have? Two Many None One

Which of these developments helped launch the industrial revolution? Check all that apply. 1. Demands for goods increased. 2. More families produced thei

Sunlight is a form of electromagnetic energy. a. True b. False

The Renaissance of classical art, literature, and learning occurred primarily during the _____. eighth and ninth centuries sixteenth and seventeenth centuries e

Is 0.25 the decimal of 4/16

When driving downhill, your vehicle will accelerate and start moving fast, due to _______________. a. kinetic energy b. gravity c. the amount of pressure you

Which value of x makes this equation true? –8 + x = 0 A. –8 B. 8 C. No value of x will make it true. D. 0

Prior to 1948, North and South Vietnam were a part of a. China. b. French Indochina. c. the United States. d. the British empire.