Posted by **yengiang** on Saturday, November 10, 2012 at 12:59pm.

Simplify

7x^2+45x+18/(x^3+12x^2+36x)

Please help.

Thank you.

- math-10th -
**Steve**, Saturday, November 10, 2012 at 1:49pm
7x^2+45x+18 = (7x+3)(x+6)

x^3+12x^2+36x = x(x+6)^2

so, dividing, you are left with

(7x+3)/(x(x+6))

- math-10th -
**Eric**, Sunday, November 11, 2012 at 2:04pm
(7x+3)/x(x+6)^2 can be simplified to

(7x+3)/(x^2+6x)^2 which can be simplified to...

(7x+3)/(x^4)+(6x^2)

- Cass -10th Geometry -
**Audree**, Sunday, November 11, 2012 at 8:06pm
what is the area of 32cm

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