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OpenStudy (anonymous):
solve the polynomial equation by factoring 3x^5+6x^4-72x^3=0
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hero (hero):
\[3x^3(x^2+2x-24) = 0\]
hero (hero):
3x^3 = 0, so x = 0 is one of the solutions
hero (hero):
x^2 +2x - 24 = 0 x^2+ 6x -4x -24 = 0 x(x+ 6)-4(x+6) = 0 (x+6)(x-4)=0
hero (hero):
So the factors are 3x^3(x+6)(x-4) = 0
hero (hero):
And x = -6,0,4
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hero (hero):
I hope any of that made sense
OpenStudy (anonymous):
it did. thank you
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