Question
Hello, I am new to this website. I havea summer assignment on Algebra II. I need help on these problems. I find I be not able to understand them.
Simplify:
1)(mn^2/3)(4/mn)
2)(x+4/x-4)(1/x+4)
3)(x^2-16/2x+8)(x+4/x^2+8x+16)
4)(n/4)(n/m)
5)(3a^3-27a/2a^2+13a-7)(9a^2/4a^2-1)
Simplify:
1)(mn^2/3)(4/mn)
2)(x+4/x-4)(1/x+4)
3)(x^2-16/2x+8)(x+4/x^2+8x+16)
4)(n/4)(n/m)
5)(3a^3-27a/2a^2+13a-7)(9a^2/4a^2-1)
Answers
Well, I will do one of them, then you try the rest and post your work. One of us will try to help if we see where you are running into trouble.
3)(x^2-16/2x+8)(x+4/x^2+8x+16)
[(x-4)(x+4) / 2(x+4 )][(x+4)/[(x+4)(x+4]]
[(x-4)/2)][1/(x+4)]
(x-4)/(2x+8)
3)(x^2-16/2x+8)(x+4/x^2+8x+16)
[(x-4)(x+4) / 2(x+4 )][(x+4)/[(x+4)(x+4]]
[(x-4)/2)][1/(x+4)]
(x-4)/(2x+8)
Thank you!
Is this right?
(mn^2/3)(4/mn)
[(mn)(mn)/3] * [4/mn]
(mn/3)(4)
ANSWER: 4mn/3
Is this right?
(mn^2/3)(4/mn)
[(mn)(mn)/3] * [4/mn]
(mn/3)(4)
ANSWER: 4mn/3
I do not think m is supposed to be squared the way you typed it, only n
(m n n /3) (4 / m n)
4 n / 3
(m n n /3) (4 / m n)
4 n / 3
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