Question

fatore : a) a^6+a^7-3a^8 b) 8a-8c+ma-mc c)x^3+3x^2+2x+6 d) x^3-x^2+5x-5

Answer 1

$a)~~ a^6+a^7-3a^8\to~~ \boxed{ a^6(1+a-3a^2)}\\\\\\ b) ~~8a-8c+ma-mc \to~~ \boxed{8(a-c)+m(a-c)}\\\\\\ c)~~ x^3+3x^2+2x+6 \to ~~ \boxed{x(x^2+3x+2)+6}\\\\\\ d)~~ x^3-x^2+5x-5\to~~ \boxed{x(x^2-x+5)-5}$