Question

Am nevoie foarte urgent!
Se considera expresia : E(x) : $x^{3} - 5 x^{2} -4x + 20$
-descompuneti expresia in produse de factori primi

Answer 1

x³-4x-5x²+20=x(x²-4)-5(x²-4)=(x²-4)(x-5)=(x-2)(x+2)(x-5)