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Mathematics 17 Online
OpenStudy (anonymous):

Factor: 15s^7 + 19s^5 - 10s^3

OpenStudy (anonymous):

Take out s^3 as a common factor leaving 15s^4+19s^2-10 now use substitution u=s^2 to give u^2+19u-10 which is mush easier to factorise. Don't forget to rewrite it with all of the factors.

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