Question

2X / X patrat + 2/x patrat +x
4/x+2 + 3/ x-2 - x+10 / x patrat - 4

Answer 1

2x / x² + 2/x² +x=
=2 / x + 2/x(x +1)=
=(2x+2+2 )/x(x +1)=
=2(x+2)/x(x +1)


4/(x+2) + 3/( x-2) - (x+10) /(x² - 4)=
=(4x-8+3x+6-x-10)/(x - 2)(x+2)=
=(6x-12)/(x - 2)(x+2)=
=6(x-2)/(x - 2)(x+2)=
=6/(x+2)