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Mathematics 15 Online
OpenStudy (anonymous):

Evaluate the integral x squared +7x dx [-2,2]

OpenStudy (anonymous):

\[\int\limits_{-2}^{2} (x^2+7) dx\]

OpenStudy (anonymous):

\[\int\limits_{-2}^{2}(x ^{2}+7x)dx\]

OpenStudy (anonymous):

\[x^{3}/3 + 7x ^{2}/2 \]

OpenStudy (anonymous):

@telijahmed, it's not done yet, you forgot limits?

OpenStudy (anonymous):

@lexusbreon: that stuff is from telijahmed, Ask him more when you are online. It's not the final answer

OpenStudy (anonymous):

now you put your limits

OpenStudy (anonymous):

\[[2^{3}/3+28/2]-[(-2)^{3}/3+28/2]\]

OpenStudy (anonymous):

28/2 cancel out

OpenStudy (anonymous):

8/3+8/3

OpenStudy (anonymous):

can you get the answer now

OpenStudy (anonymous):

16/3

OpenStudy (anonymous):

wait how do I get the answer from 16/3

OpenStudy (anonymous):

that is the answer

OpenStudy (anonymous):

maybe you can use indices and express in a different form

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