Respuesta :

Answer:

3f  -9g +7

Step-by-step explanation:

(–3f – 4g + 9) – (2 – 6f + 5g)

Distribute the minus sign

(–3f – 4g + 9) – 2 + 6f - 5g

I like to line them up vertically

–3f – 4g + 9

+ 6f - 5g  -2

------------------------

3f  -9g +7

Answer:

15f - 19g + 3

Step-by-step explanation:

(-3f - 4g + 9) -  3 • (-6f + 5g + 2)

=15f+19g