Объяснение:
1.x^2+22x+85=x^2+17x+5x+85=x(x+17)+5(x+17)=(x+17)(x+5)
2.x^2+12x+10x+120=x(x+12)+10(x+12)=(x+12)(x+10)
3.x^2+22x+96=x^2+16x+6x+96=x(x+16)+6(x+16)=(x+16)(x+6)
4.x+1/x^2+17x+x+17=x+1/x(x+17)+x+17=x+1/(x+17)(x+1)=1/x+17
5.x+5/x^2+21x+80=x+5/x^2+16x+5x+80=x+5/x(x+16)+5(x+16)=x+5/(x+16(x+5)=
=1/x+16
Объяснение:
1.x^2+22x+85=x^2+17x+5x+85=x(x+17)+5(x+17)=(x+17)(x+5)
2.x^2+12x+10x+120=x(x+12)+10(x+12)=(x+12)(x+10)
3.x^2+22x+96=x^2+16x+6x+96=x(x+16)+6(x+16)=(x+16)(x+6)
4.x+1/x^2+17x+x+17=x+1/x(x+17)+x+17=x+1/(x+17)(x+1)=1/x+17
5.x+5/x^2+21x+80=x+5/x^2+16x+5x+80=x+5/x(x+16)+5(x+16)=x+5/(x+16(x+5)=
=1/x+16