Respuesta :

syed514

now one denominator is x^2 + 8x + 15 if we factorise then (x +3)(x +5) now in expressions which have like x+3 as denominator ...you multiply and divide them by x+5 and once u get denominator equal you can add numerator easily

yesraa2003

Answer:

The correct answer is, "8x + 2x^2 + 21 / (x + 5)(x - 3)"

Step-by-step explanation:

This is 100% correct :)