Question 428261
Solution:Divide the polynomial by x+2 :

{{{(x^3+4x^2-11x-30)/(x+2)=x^2+2x-15}}}

Since,{{{x^2+2x-15=(x+5)(x-3)}}}, we have:

{{{ x^3+4x^2-11x-30=(x+2)(x+5)(x-3)}}}

Done.