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
VER TODAS LAS RESPUESTAS ( 67+ )
Otras preguntas
MATHHH!!! area stuff
Which statement about the accuracy and precision of measuring tools is true? OA. A tool can be both accurate and precise. о B. Tools that are precise must also
HELP MEEEE Distances in space are measured in light-years. The distance from Earth to a star is 6.8 × 10^13 kilometers. What is the distance, in light-years, fr
The sum of the digits of a two-digit number is 14. When the digits are reversed, the new number is 36 less than the original number. Find the original number.
Two times a number x increased by 8 is 20. Which one of the following Equations represents this statement?
Type the missing numbers. + -100 -80 Submit -40 -20 20 60 80
If f(x) = ex and g(x)=x-4, what is (gof)(x)?
A solid right pyramid has a regular hexagonal base with an area of 7.4 units2. The pyramid has a height of 6 units.
Which of these is the correct order of egyptian society from highest class to lowest class?
which of the following could be a hypothesis for what a rattlesnake eat
