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5x^3+15x^2+10x please help with this I need to see how its worked out not just the answer I no the answer just don't no how to work out the problem

Respuesta :

hi!

5x^3+15x^2+10x = 0

x(5x^2+15x+10) = 0

=> x=0

5x^2+15x+10=0

5(x^2+3x+2)=0

=> (x+1) (x+2) = 0

x= -1 , x= -2

it has three answers, hope im right :)

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