3. (4 + 5) is how much more than 3•4 + 5 ?

(4 + 5) is greater than 3·4 + 5 by 8.

Step-by-step explanation:

⇒ 17 - 9 = 8

i'm not entirely sure

step-by-step explanation:

if you ask home depot or lowe's they might be able to you out

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10