phan tích

V

vipboycodon

x4+3x22x+3x^4+3x^2-2x+3
= x4+x+3x23x+3x^4+x+3x^2-3x+3
= x(x+1)(x2x+1)+3(x2x+1)x(x+1)(x^2-x+1)+3(x^2-x+1)
= (x2x+1)(x2+x+3)(x^2-x+1)(x^2+x+3)
 
D

duchieu300699

4x421x2+1=(2x25x+1)(2x2+5x+1)4x^4 -21x^2+1=(2x^2-5x+1)(2x^2+5x+1)
..............................................................
 
A

anvadinh2018as

x4+3x2−2x+3
= x4+x+3x2−3x+3
= x(x+1)(x2−x+1)+3(x2−x+1)
= (x2−x+1)(x2+x+3)
__________________:D:D:D
 
Top Bottom