Question

SOCORRO !
como simplifico ...

$\frac{7x + 49}{x^{2} +4x + 4 } + \frac{3x - 1}{x + 2} =$

Answer 1

 

= 7x+49/(x+2)² + (3x-1)/(x+2) ==>>MMC = (x+2)²

= [7x+49 + (3x-1)(x+2)]/(x+2)² =

= [7x + 49 + 3x² + 6x -x - 2]/(x+2)² =

= (3x² + 12x + 47)/(x+2)²