bob12231
bob12231
01-03-2016
Mathematics
contestada
-2 (m+n-4)+5 (-2m+2n)+n (m+4n-5)
Respuesta :
apologiabiology
apologiabiology
01-03-2016
so if you want to add
we distribute
a(b+c)=ab+ac so
-2(m+n-4)=-2m-2n+8
5(-2m+2n)=-10m+10n
n(m+4n-5)=mn+4n^2-5n
so total we ahve
-2m-2n+8-10m+10n+mn+4n^2-5n
group like terms
4n^2+-2m-10m-2n+10n-5n+mn+8
add like temrs
4n^2-12m+3n+mn+8
Answer Link
VER TODAS LAS RESPUESTAS ( 75+ )
Otras preguntas
The size of a bicycle is determined by the diameter of the wheel. you want a 24-in bicycle for christmas. what is the circumference of one of the wheels?
A cone has a volume of 15π and is similar to another larger cone. If the scale factor is 5:9, what is the volume of the larger cone?
a product cost $48.50 for 75 feet. how much does it cost per inch?
All of these snskbdnxxbndkxkdb
Explain why resource availability and allocation are an important concern for governments.
a carpenter used 38ft in three pieces to trim a garage door. if the long piece was 2ft longer than twice the length of each shorter piece then how long was each
Which one is it A B C or D
Which one is it A. B. C. or D.
About 3/4 of adults say they wash their hands before eating. determine probability that 2 people wash their hands before eating.
Which sentence uses commas correctly? A. Some rain has acid in it and this, can be dangerous. B. This " acid rain "can kill trees ,and ,it can also poison fish.