Mathematics
18 Online
OpenStudy (winsteria):
WILL MEDAL AND FAN
QUESTION LINKED BELOW
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OpenStudy (winsteria):
@TheSmartOne
OpenStudy (winsteria):
@Nnesha
OpenStudy (winsteria):
@sara_lee101 @Here_to_Help15 @DanJS @AriPotta @haleyelizabeth2017
OpenStudy (danjs):
just add up like terms
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OpenStudy (winsteria):
okayyy
OpenStudy (danjs):
you can see immediately that the first term is x^2
OpenStudy (danjs):
which leaves only one answer to choose
OpenStudy (winsteria):
C?
OpenStudy (winsteria):
Idk
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OpenStudy (jhannybean):
\[(7y -5y) +(-x^2 ++3x+17x+2x^2)\]Simplify.
OpenStudy (danjs):
the first term is x^2, that is not C
OpenStudy (winsteria):
uhh
OpenStudy (jhannybean):
From what I posted, combine like terms.
OpenStudy (winsteria):
D?
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OpenStudy (jhannybean):
Stop guessing first.
OpenStudy (jhannybean):
Tell me what \(2x^2-x^2\) equals.
OpenStudy (winsteria):
I don't know :/
OpenStudy (jhannybean):
What is 2-1.
OpenStudy (winsteria):
1
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OpenStudy (jhannybean):
You're left with \(x^2\).
Second set of like terms: \(-17x+3x\). what is -17+3?
OpenStudy (winsteria):
-14
OpenStudy (jhannybean):
Good, so you have \(x^2 -14x\) now.
now we have \(7y -5y\). What is 7-5?
OpenStudy (winsteria):
2
OpenStudy (jhannybean):
There you go, now you have : \(x^2 -14x +2y\)
Can you find your answer choice now?
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OpenStudy (winsteria):
B? :)
OpenStudy (jhannybean):
YEs, good job.
OpenStudy (winsteria):
Thank you for your help, I understand it now :)
OpenStudy (jhannybean):
Great! Glad to help.