Question

1/x2+3x+2 + 1/x2+5x+6 - 2/x2+4x+3

Answer 1

Answer:

4x+5

Step-by-step explanation:

=1/x2+3x+2 +1/x2+5x+6 - (2/x2+4x+3)

=1/x2+3x+2+1/x2+5x+6-2/x2-4x-3

=1/x2+1/x2-2/x2+3x+5x-4x+2+6-3

=2/x2-2/x2+8x-4x+8-3

=0+4x+5

=4x+5