Question - bad at maths (1 Viewer)

[Tommy_69]

Im not sure if this is a cubic function or polynomial? Im really bad with maths. Can someone show me a solution for this question. thanks

2x^3 - 5x^2 - 3x = 0

Thanks

 

[YBK]

Im not sure if this is a cubic function or polynomial? Im really bad with maths. Can someone show me a solution for this question. thanks

2x^3 - 5x^2 - 3x = 0

Thanks

take out the x and then you get a quadratic

then factor... or use quadratic formula

 

[pLuvia]

2x³ - 5x² - 3x = 0

x(2x² - 5x - 3) = 0
x(2x + 1)(x-3) = 0

.: x = 0,-1/2 and 3

 

[Tommy_69]

thanks heaps guys