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Mathematics 7 Online
OpenStudy (anonymous):

Please Help!!! [7.02] Find the difference of (−4x2 − 7x3 − 2) − (8x3 + 3x − 7x2). Be sure to show all of your work in a neat and organized fashion. Use the ^ (shift 6) symbol to show an exponent. For example, x squared can be written as x^2.

jimthompson5910 (jim_thompson5910):

(-4x^2 - 7x^3 - 2) - (8x^3 + 3x - 7x^2) -4x^2 - 7x^3 - 2 - 8x^3 - 3x + 7x^2 Now combine like terms

OpenStudy (anonymous):

I see, . I would know more about this but this is a pretest / meaning I have not done this lesson yet.

jimthompson5910 (jim_thompson5910):

if it's a test, we cannot help you

jimthompson5910 (jim_thompson5910):

this is something you must do on your own if it's a pre-test, then no worries: if you get it wrong, then it means the teacher knows where to focus the lesson

OpenStudy (anonymous):

Ohhh Ok I see thank you for your help :D

jimthompson5910 (jim_thompson5910):

you're welcome

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