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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

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):

\[\huge \color{green} { (7x^4 - 5x^4) + (9x - 7x) + (5 + 5)}\]

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??

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

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.

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