allyrock allyrock

12-05-2016
Mathematics

contestada

simplify (3r^2+4) (2r-1).-8r^3+6r^2

Respuesta :

apologiabiology apologiabiology

12-05-2016

first simpliify
(3r^2+4)(2r-1)=
(3r^2+4)(2r)+(3r^2+4)(-1)=
(6r^3+8r)+(-3r^2-4)=
6r^3+8r-3r^2-4=
put back

6r^3-3r^2+8r-4-8r^3+6r^2=
-2r^3+3r^2+8r-4

Answer Link

Otras preguntas

A petting zoo keeps goats confined in a small area where they are barley able to move. How would an animal welfare proponent most likely act in the situation gi

Students who are in clinical and counseling programs typically are required to complete an internship to graduate with a doctoral degree true or false

PLEASE HELP WILL GIVE BRANLIEST! What difficulties did slaves face?

For what purpose can you use a T-square?

Brainliest!!!!! Please HelpCan these curves be the graphs of functions? (Hint: use the vertical line test.)

Molecules in a substance speed up when the substance is

The map shows the length of two trails used for a race around a lake. What is the total distance of the race? A trail race map. One part of the race is 3.21 mil

Which statement is true about angles QRT and QTR? They are congruent. They are complementary. They are supplementary. They are right angles.

On January 1, 2021, Poplar Fabricators Corporation agreed to grant its employees two weeks of vacation each year, with the stipulation that vacations earned eac

1. In 6th grade, I sang in the school choir, and we often traveled to different places for our performances. 2. I didn’t mind traveling short distances, but I w