Hey, I have a couple of questions from my book, I either didn't understand

or couldn't get the right awnser for.. it would be amazing if you could help!!

Thanks soo much.

1.

2s2(squared)+14s-16

________________

2(s2(squared)+7s-8)

2.

ax2(squared)+6ax+9a

3.

t2(squared)-9 = t2(squared)-9

__________ ____________

t +7 t+12 (t+3)(t+4)

4.

x-1 - 3x-2

___ ____

5 10

5.

4 - 2

_______ ________

2m2-m-1 m2+2m -3

thanks again!