Mathematics
8 Online
OpenStudy (anonymous):
(–7x – 5x4 + 5) – (–7x4 – 5 – 9x)
A. 2x4 + 2x + 8
B. –14x4 + 10x + 10
C. –14x4 – 10x + 10
D. 2x4 + 2x + 10
I think the answer is D
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OpenStudy (anonymous):
is my answer correct?
OpenStudy (anonymous):
Yes you are absolutely right dear..
OpenStudy (anonymous):
ty
OpenStudy (anonymous):
can you help me on the next one please
OpenStudy (anonymous):
\[\huge \color{green} { (7x^4 - 5x^4) + (9x - 7x) + (5 + 5)}\]
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OpenStudy (anonymous):
Yeah sure..
OpenStudy (anonymous):
Find the GCF of the first two terms and the GCF of the last two terms of the polynomial.
5h3 + 20h2 + 4h + 16
A. 5h2, 16
B. 5h3, 4
C. 5h2, 4
D. h2, h
OpenStudy (anonymous):
See,
from 5h^3 + 20h^2,
What can be taken as common??
OpenStudy (anonymous):
5
OpenStudy (anonymous):
yes what else??
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OpenStudy (anonymous):
h
OpenStudy (anonymous):
Simply h??
OpenStudy (anonymous):
h^2
OpenStudy (anonymous):
Yes you are right..
Then what is the total you can take out of it??
OpenStudy (anonymous):
5h^2
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OpenStudy (anonymous):
Yes..
This is the first part..
Now from:
4h + 16,
what you can take out as common?
OpenStudy (anonymous):
4
so the answer will be 5h^2,4
OpenStudy (anonymous):
Yes...
OpenStudy (anonymous):
thanks how long you going to be on i might need more help?
OpenStudy (anonymous):
(To the 1st posted question)
D. 2x4 + 2x + 10
I got this correct on my test.