# Math

A few here.

4x-8
------
x(squared)-4

_________________________

2m(squared)+5m-3
------------------
m(squared)+4m+3

__________________________

3x+4
-----
12

(times)

8
-----
9x+12

________________________

x+5
-----
16x

(divided by)

3x-2
-----
4x(squared)

____________________

2-x
-----
7x

(times)

14
----
x-2

________________________

7x
----
x(squared)+4x

(divided by)

35x(squared)
-----
x+4

_______________

(8x(to the 8th power)+16x(to the 6th power)-12x(cubed)) (divided by) 2x(squared)

The ---- lines are lines on the paper(division lines) and the _____ lines are dividers between problems. Please help!

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1. first one ...
(4x-8)/(x^2 - 4)
= 4(x-2)/((x-2)(x+2))
= 4/(x+2) , x ≠ 2

the second one, factor top and bottom

third, factor ...
4th, remember to divide by a fraction, we multiply by the reciprocal of that fraction

Have you tried any of these ?

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posted by Reiny
2. yep....

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