can anyone one help me out with this problem please ? (8x – 2) + (7x + 6) I am suppose to simplify
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OpenStudy (anonymous):
drop parenthesis combine like terms. wanna try
OpenStudy (anonymous):
15x+4
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
do another one mia so that we know u understand
OpenStudy (anonymous):
True
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OpenStudy (anonymous):
um m 5x^2 + 3x ) + ( 2x + 5)
A) 5x^2+3x+2x+5
The answer 5x^2 +5x + 5
OpenStudy (anonymous):
am i right?
OpenStudy (anonymous):
absolutely correct
OpenStudy (anonymous):
great job
OpenStudy (anonymous):
That's correct
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OpenStudy (anonymous):
now if you were subtracting the two sets of parenthesis
each sign of that set changes. u got it
OpenStudy (anonymous):
I kind of get it but it is so confusing to me like this last problem I have they gave me a diagram and I have to come up with a polynomial to describes it
OpenStudy (anonymous):
second set only
OpenStudy (anonymous):
draw or attach if u would like me to walk u thru it
OpenStudy (anonymous):
7x right?
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OpenStudy (anonymous):
it is #10
OpenStudy (anonymous):
for ur problem - no ur 5x is correct
only can combine like terms
OpenStudy (anonymous):
#10?
OpenStudy (anonymous):
yes I just sent it on attchment
OpenStudy (anonymous):
so what did u get
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OpenStudy (anonymous):
first how do you calculate perimeter of a figure
OpenStudy (anonymous):
I have no clue I dont know how to
OpenStudy (anonymous):
to find the perimeter just add upp all of the sides
OpenStudy (anonymous):
they =69
OpenStudy (anonymous):
no you are going to have a variable
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OpenStudy (anonymous):
:( I am so not getting this huh I dont think I will ever get this it is so hard :(
OpenStudy (anonymous):
5+x+x+12+x+2x+x+8+34+x+8
OpenStudy (anonymous):
the figure has different values for each side - add all up.
i listed them above
so now combine like terms
OpenStudy (anonymous):
u adding like terms?
OpenStudy (anonymous):
Like terms are the numbers right ?
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OpenStudy (anonymous):
numbers are like AND the x's are the other term
OpenStudy (anonymous):
so you will have two terms
one is a number the other will end with "x"
OpenStudy (anonymous):
so it would kind of be like 69x?
OpenStudy (anonymous):
7x + 67
OpenStudy (anonymous):
put a 1 in front of the x that do not have a # - it is implied
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