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Mathematics 7 Online
OpenStudy (anonymous):

Solve n3 + 2n2 - 15n = 0 by factoring. Show the factored form of the equation, and the resulting solutions.

jhonyy9 (jhonyy9):

so you need getting two numbers so that theyr sum is equal 2 and theyr product is equal 15 ,can you get these ?

OpenStudy (anonymous):

n(n^(2) + 2n - 15) = 0 n(n + 5)(n - 3) = 0 n = 0, 3, -5 Do you understand how I did this?

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