Hello,Originally Posted by dgolverk
I cann't do all your problems 'cause I haven't much time now.
now you can factorize the 2nd factor easily.
now you can factorize the 1rst factor easily.
set x=7a-8 and y=11-7a. Then you get:
Solve for x and y and then resubstitute to get a and b.
Same procedure: x= 11a+5 and y=11a-15 and you'll get:
Now I've to leave the forum. I hope this was of some help to you.