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

Consider the diagram what is the length of segment ab

I NEED HELP ASAP PLEASE

What is the value of the function at x = 3? Enter your answer in the box.

The Moon orbits the Earth once in about _______. A. 365 days B. 28 days C. 24 hours D. 7 days

which best describes the asteroid belt A. another name for the Oort cloud B. The region where comets originate C. large chunks of gas, dust and ice D. millions

Which of the following details from the story belongs to the rising action? A “Victor looked around the empty kitchen, imagining all he could do with this new s

To the Mountains Let there be light, the sky Declares. And the sun answers. Yellow ribbons cascade across A serrated skyline, filling each valley Until it burst

A person with chlamyia may be a symptomatic

What is the significance of the English Bill of Rights on the development of the U.S Constitution?

PLEASE HELP!!!!!! Which number(s) below belong to the solution set of the inequality? Check all that apply. “9x>117” A. 13 B. 19 C. 6 D. 14 E. 8 F. 12