work and answer!!!
Hi,
Common denominator : ab
==> -4/ab + 9a/ab = (9a - 4) / ab ==> Answer
Bye !!!
-4/ab+9/b
*a *a
-4/ab+9a/ab
9a-4/ab
9-4/b
5/b
(-4+9a)/ab
Comments
Hi,
Common denominator : ab
==> -4/ab + 9a/ab = (9a - 4) / ab ==> Answer
Bye !!!
-4/ab+9/b
*a *a
-4/ab+9a/ab
9a-4/ab
9-4/b
5/b
(-4+9a)/ab