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Mathematics 8 Online
OpenStudy (anonymous):

thanks :)

OpenStudy (imer):

\[(5C0) x^5(-3)^0+(5C1)x^4(-3)^1+(5C2)x^3(-3)^2+(5C3)x^2(-3)^3\] \[+(5C4)x^1(-3)^4+(5C5)x^0(-3)^5\] Which simplified gives \[x^5-15x^4+90x^3-270x^2+405x-243\]

OpenStudy (imer):

^^ That is using binomial Theorem.

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