Question

f(x)= 2x^3+3x^4 помогите

Answer 1

$f(x)=2x^3+3x^4\\0=2x^3+3x^4\\\\0=2x^3+3x^4\\2x^3+3x^4=0\\x^3(2+3x)=0\\x^3=0-->x=0\\2+3x=0-->x=-\frac{2}{3}\\\\x_{1}=-\frac{2}{3}\;\;\;\;\;\;x_{2} =0$