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Mathematics 20 Online
OpenStudy (anonymous):

Explain, in your own words, the step-by-step process to simplifying the expression below. Include the simplified answer in your explanation. (6x^2 − 5) − (3x^2 + x + 7) My answer is First you start out by multiplying inside each radical. (12-5) - (6+x+7) Next you add everything up in each separate parenthesis. (7)-(13 +x) Now distribute the negative to the whole second term. 7-13-x Your end product should be 6-x Am I right? :)

OpenStudy (anonymous):

@jim_thompson5910 Last question! Can you help one more time? :)

jimthompson5910 (jim_thompson5910):

radicals are things like square roots, cube roots, etc etc

jimthompson5910 (jim_thompson5910):

I don't see any radical expressions here

jimthompson5910 (jim_thompson5910):

the first step is to distribute (6x^2 − 5) − (3x^2 + x + 7) 6x^2 − 5 − 3x^2 - x - 7 note: make sure you distribute the negative to everything in the parenthesis

jimthompson5910 (jim_thompson5910):

now group and combine like terms

OpenStudy (anonymous):

Okay! Thanks! :)

jimthompson5910 (jim_thompson5910):

sure thing

OpenStudy (anonymous):

The simplified answer is 3x^2-x-12 right?

jimthompson5910 (jim_thompson5910):

correct

OpenStudy (anonymous):

Thanks again! :)

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