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0 votes
Multiply or divide each rational then simplest form :)
 
e) 9q²-64 over q²-7q+10 * 2q-10 over 3q-8 
f) n²+3n+36 over 2n²-11n-21 * n²-12n+35 over n²-n-20
g)x²+11x+24 over x-5 divided by x²+6x+6 over 4x -20 
h) 5m²+13m-6 over 3(5m-2) divided by 9m+27 over 3m

 

asked Nov 28, 2014 in PRECALCULUS by anonymous

4 Answers

0 votes

(e)

The Expression is

image

Re-write the expression.

image

image is in the form image

image can be written as image

image

image

Now cancel the common terms

image

image

Therefore the simplest form of image is image.

answered Nov 28, 2014 by Lucy Mentor
can you help me with G and H please

(f) Is the Expression

n² + 3n + 36 over 2n² - 11n - 21 * n² - 12n + 35 over n² - n - 20

or

n² + 13n + 36 over 2n² - 11n - 21 * n² -12n + 35 over n² - n - 20.

(g) Is the Expression

x² + 11x + 24 over x-5 divided by x² + 6x + 6 over 4x  - 20

or

x² + 11x + 24 over x - 5 divided by x² + 6x + 9 over 4x  - 20.

n^2+3n+36

g) x^2+ 6x-6
0 votes

(h)

The Expression is

image

Re-write the

image

image

image

image

Cancel the common terms

image

Therefore the expression imageis written as image.

answered Nov 28, 2014 by Lucy Mentor
edited Nov 28, 2014 by Lucy
I mean f and G :)
0 votes

(f)

The Expression is

image

Re-write the expression.

image

image

image

Now cancel the common terms

image

image

image

image

Therefore the simplest form of image is image.

answered Nov 28, 2014 by Lucy Mentor
0 votes

(g)

The Expression is

image

This Expression can be written as

image

Re-write the expression.

image

image

image

Now cancel the common terms

image

image

image

image

image

Therefore the simplest form of imageis image.

answered Nov 28, 2014 by Lucy Mentor

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