Răspuns :
1) 4x-2=2×2x-2×1=2×(2x-1
2) 4x^3-5x=x×4x^2-5×x=x×(4x^2-5)
x^5-2x^4=x×x^4-x×2x^3=x×(x^4-2x^3)
(^=la puterea a )
2) 4x^3-5x=x×4x^2-5×x=x×(4x^2-5)
x^5-2x^4=x×x^4-x×2x^3=x×(x^4-2x^3)
(^=la puterea a )