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Simplify this rational expression?
The expression is
b^3-ab^2
over
ab-b^2
Now i did the math myself and came up with -b, and I was wondering if that was the correct answer, if you say yes or no i wont give you best answer, so explain yourself please...
Another one-
Bonus love for anyone who answers this as well, so i can check my work-
Simplify
2x^2(x^2+4)(y-3)
over
8xy^2(3-y)(x^2+4)
Now i know the x^2 + 4 cancels right away, so please explain further rather than leaving me hanging
I will have a new question with more problems later so stay tuned =)
3 Answers
- 9 years agoFavorite Answer
-b is right. I plugged in 2 for a, and 3 for b. I then simplified and got -3 which is -b. Try plugging numbers in for the variables.
- Anonymous9 years ago
Yes.
- Anonymous9 years ago
no doubt
