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Mathematics 25 Online
OpenStudy (anonymous):

Find the difference of (−5x2 − x3 − 3) − (9x3 + 3x − 6x2). 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.

OpenStudy (ganpat):

so, can u open the brackets ??

OpenStudy (anonymous):

yeass

OpenStudy (ganpat):

so lets give a try !!

OpenStudy (ganpat):

ha ha, lets do it this way..

OpenStudy (ganpat):

−5x2 − x3 − 3 − 9x3 - 3x + 6x2 now add same power terms.. x2 + 3x2 = 4x^2 and arrange them in descending powers.. like x3 + x2 + x + 5.. just an example..

OpenStudy (ganpat):

−5x2 − x3 − 3 − 9x3 - 3x + 6x2 -x3 + x2 - 9x3 -3...

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