SOLUTION: please help me to simplify: b+3/b^2 * 3b/b^2-9= (i simplified to : 3b^2+9b/b^4-9b^2, but my teacher marked it incorrect and said to simplify more)

SOLUTION: please help me to simplify: b+3/b^2 * 3b/b^2-9= (i simplified to : 3b^2+9b/b^4-9b^2, but my teacher marked it incorrect and said to simplify more)

Algebra.Com

Question 544576: please help me to simplify:
b+3/b^2 * 3b/b^2-9=
(i simplified to : 3b^2+9b/b^4-9b^2, but my teacher marked it incorrect and said to simplify more)
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
u need to add like terms
shown here
cancel a out shown here
take out 3 shown below

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